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Sig Sauer P320 X5 Legion

Statement of Facts

Today I come before you as an unrepentant Sigo-phant. By that I mean that I have been a big fan of the P-Series of pistols for as far back as I can remember. In one form or another I have carried a P pistol for almost twenty-five years now. Including today’s subject, the Sig Sauer P320 X5 Legion.

Sharing this perspective is only to clarify that I have a bit of a bias on today’s review. So keep that in mind as you read for the next few minutes.

Having said that, let’s get started. The P320 came to market nearly a decade ago, a cutting edge design many would say. This because of the P320’s ability to morph into any number of configurations.

At it’s heart, the P320 is a striker fired semi-automatic pistol. But there is more to the P320 inside, its serialized fire control unit (FCU) holds the trigger and sear mechanism. This allows the FCU to be swapped between different grip modules and used with what has become a plethora of different slide, caliber and barrel combinations.

All this modularity has resulted in an exhausting list of P320 options, including recently adopted military designated models.

P320 X5 Legion Specifications

Caliber 9mm
Capacity17 +1 (3 mags included)
SightsDawson precision
Red Dot footprintPRO (DeltaPoint Pro)
Length8.5 in [216 mm]
Width1.6 in [41 mm]
Height5.8 in (147 mm)
Weight43.5 oz (1.2 kg)
Sight Radius6.8 in (173 mm)
Barrel Material Carbon steel
FinishLegion Gray Cerakote

Like all Legion series pistols, the P320 X5 Legion uses most of the popular features available. It is optics ready, though it often will require the use of Springer Precision mounting plates. An accessory picatinny rail under the slide fits all your weapon light options. And things like a flared magwell and skeletonized flat-shoe trigger add to the ensemble.

As the flagship of the P320 line of pistols, Sig has added some sexy slide cuts and balanced the pistol by adding weight to the grip frame. The tungsten infused polymer grip frame feels like its made from metal, which in my opinion adds to the quality feel.

The X5 comes with two recoil springs and a solid steel op rod, to allow shooters to customize the operation of the pistol. All the customization is part of the P320 family.

Pro & Cons


  • Modular design allows customization
  • Great trigger
  • Optics ready
  • Dawson Precision sights
  • 17+1 Capacity (comes with 3mags)
  • Accessory Rail
  • Flared Magwell
  • Ambi slide release
  • It’s a Sig Sauer FFS!


  • Not lightweight
  • Limited holster options

First Impressions

Opening the box I knew exactly what I was getting, but I was excited none the less. The Legion came with all the traditional stuff in the box, including two extra mags which I thought was nice.

I lifted the pistol from the box and was immediately stirred by the feel of it. It reminded me of the P226 that I always loved. Excellent weight and balance let you know this thing was meant to shoot particularly hard.

Drawing the slide seemed easier than expected, probably due to the weight of the slide. Pressing the trigger proved to seal the deal for me, everything about this pistol felt as I had hoped it would.

Time to Accessorize

Wasting no time, I had pre ordered several great accessories for the X5. Because that is the American thing to do. Selecting a good holster for it from Safariland’s holster finder was easy enough, though I was a bit let down by how few options there were. Mainly due to the longer barrel configuration, but I ended up with a Safariland SLS holster that fit perfectly. Most P320 models have an incredible assortment of holster options.

Weapon lights are a must-have, and I ordered the holster to fit a Surefire X300. There are many great light options, but I went with a mainstream choice because it works and has history.

Even breaking out the credit card to order a custom threaded match barrel from Armory Craft wasn’t out of order. I wanted the ability to shoot the X5 suppressed, and the boys at Armory Craft know the P320 as well as anybody.

For a suppressor I usually shoot either my Yankee Hill Machine Nitro N2.0 or the Yankee Hill Machine R9.

Extra magazines are always nice, so I bought a few of those as well because you can never have too many. Topping off the slide with a US Optics DRS 2.0 Enhanced red dot made shooting the gun even more fun.

Field Testing the P320 X5 Legion

Traditionally I do reviews fairly early with new guns, but today I am writing this after having shot and carried this pistol for more than a year. So I can cut to the chase a little bit here. After thousands of rounds, weeks and months of carry, I am quite confident in the function and performance of the X5.

After all this time, it still feels fantastic in my hand. And having shot it countless times with very satisfying results keeps me sleeping very tight at night. And regardless of shooting the pistol suppressed or otherwise, I can’t remember much in the way of malfunctions. I have no doubt there have been some, but I can’t remember them.

Accuracy with the P320 X5 Legion has been fantastic, shooting better than I thought I could shoot. Once adding a red dot it seemed like I could hit anything a pistol would be shot at.

Breaking the trigger feels even better now, the ease of reloads and hitting the magazine just right every time. Its enough to make me feel like one of those hot chicks in the Taran Tactical videos. I’ve shot everything from steel and paper targets to charging badgers, and this X5 is just hot shit, I love it.

Score Card

Reliability (9-10)

As I just mentioned, I can’t even remember any significant malfunctions with the P320 X5 Legion. Though I think I had an occasional failure to lock back. For the most part it runs like a typewriter. Everybody laughs about the history of P320’s going off unexpectedly, but it appears that issue has been put to bed.

Ergonomics (8.5-10)

The standard X5 Legion grip module fits my hand perfectly. So I don’t really have any complaints, though I’d like it if there was an adjustable backstrap. The controls are in all the right spots, and it flows just right as you operate every function.

Customization (9-10)

I’ve already mentioned all the custom options with the P320 family of pistols. The incredible aftermarket support allows you to do near anything with this pistol.

Appearance (9-10)

Again, remember I am biased. But this is one of the best looking mainstream pistols out there in my opinion. Everything about it looks good; cuts in all the right places, the textures, and finish all look fantastic.

Value (8.5-10)

For the $1000 street price, the X5 Legion is not out of reach for serious pistol fanatics. Sure I wouldn’t call it cheap, but there is more value to be found over the lifetime of the pistol.

Final Thoughts on the X5

Like I said from the beginning, I am a registered Sigo-phile. But with experiences like Ive had with the P320 X5 Legion you can’t blame me. The pistol just shoots!

Its handsome and functional while bringing an incredible array of customization and aftermarket part options. If you too love the feel of P-series pistols, the X5 Legion will surely fit your fancy as well. As long as you keep in mind this isn’t a carry pistol, it’s a serious range gun. Or I suppose if you are a security or law enforcement professional it would also fit in nicely. Surely it won’t be long before I add another P320 to the family, stay tuned until then…


If you like this review, check out our other pistol reviews

Sig Sauer MCX Spear LT 5.56 SBR


There has been a lot of talk lately about the new Sig Sauer MCX Spear. However, there is also another version… Today, we are diving into a Sig Sauer MCX Spear LT review.

Having had a little experience with previous versions of the MCX I was excited to see this new variant. Today we will be looking at the Sig Sauer MCX Spear LT, which is an 11.5-inch 5.56 rifle, making it an SBR.

The Spear is a perfect candidate for the EOtech EXPS3

The MCX Spear is a short-stroke piston-operated carbine. It utilizes a spring and buffer system that is housed in the upper portion of the receiver. This has removed the classic AR-type rifle buffer tube where the butt stock was typically attached.

Do you need a Spear LT of your own? Click Here

By removing the buffer tube, the role of the Spear can be further adapted to different uses. It can be removed entirely to be used as a “pistol,” or it can be fired with its folding butt stock folded to the side.

The MCX Spear uses many features and familiar parts for AR-15 owners, but I was surprised to see how many differences there were, even with parts that are shared.

The Spear brings with it the incredible adaptability that MCXs are known for and the robust reliability that Sig has rightfully retained. This newest member of the MCX family brings a lighter handguard with improved fasteners to increase rigidity.

Within the handguard is a lighter profile barrel to reduce the weight of the rifle. Inside the rifle’s receiver, there are ambidextrous controls with both safety and bolt-catch on either side of the rifle, and seated in the bottom is Sig’s Flatblade Match Trigger.

I’ve been a little bit of a Sig fan for a few decades, so I was very excited to play with this rifle, and after just a few minutes of handling it, I was hooked.

The quality of the rifle was apparent in every little thing I inspected. Outstanding craftsmanship and perfect lines that all matched up made the rifle incredibly pleasing.



Caliber 5.56 Nato
Capacity 30 rounds
Barrel Length 11.5 inches
Barrel Twist 1-7 inches
Overall Length 29.5 inches
Width 2.9 inches
Height 7.5 inches
Weight 6.9 pounds
Muzzle Threads ½-28 TPI
Color FDE


  • No buffer tube, fires from folder or without stock
  • M Lok compatible
  • Short Stroke piston operating system
  • Very nice trigger
  • Quality controls all around
  • Adjustable gas block
  • Fully ambidextrous
  • Interchangeable barrel capacity
  • Multiple calibers (5.56, 300blk, 7.62Ă—39)
  • Handsome as the day is long
  • Rokset muzzle device
  • SBR requires interaction with tyrannical government


sig sauer mcx spear lt hands on test at range

The MCX Spear was begging to be shot, so I wasted no time.

We took the rifle to a local range which typically, for me, is a non-starter, but today I would make an exception. With an EOtech mounted on top, it was time to cook the tip of the Spear. Today we were shooting some Hornady Black 62 grain FMJ ammunition, which would work great in the MCX’s one in seven twist.

I played with the folding stock for a moment, if only to familiarize myself with it. Pushing on the button with a lifting motion released the dovetail lock of the stock.

With the stock folded off to the side, the rifle supremely compact; only a bullpup could have been much shorter and still maintain a reasonable barrel length.

Shooting the Spear like this would have been easy, but I couldn’t bring myself to shoot it like a pistol, especially after all the legwork of a form four.

With loaded magazines and open range I fired a few rounds, which were quite mild. Small caliber rifles of this size are a joy to shoot. I would have enjoyed it, even more, had Sig not used Rokset on the muzzle brake. Who would buy this thing only to run the factory flash-hider?

To be fair it would be someone with a Sig suppressor that mounts to the brake, but I am not that guy. So I was kind of chapped that it would have taken significantly more effort to remove the flash-hider, so I chose to leave it alone for now.

Shop Sig Sauer firearms here, you know you want one…

But I would have loved to shoot it suppressed to see how the rifle worked and if the dual gas settings were acceptable. The eleven-inch barrel definitely needed a flash hider because it launched some serious fireballs.

Shooting the MCS Spear was pleasant as can be, the Sig grip had a very comfortable angle, and the handguard filled the support hand too. The short size of the rifle can, at times, get your support hand a little close to the muzzle, another reason I would have liked to suppress it. The diminutive size of the rifle also made it easy to balance and maneuver.

sig sauer mcx spear lt hands on test at range jeff wood

The MCX Spear isn’t what I’d consider a precision rifle, nor would many folks imagine. That said it was easy to keep shots on target at one hundred yards with no magnification. After fudging with the EOtech holographic sight to get a dirty zero, it was easy to keep the shots within an inch or two of the point of aim.
I love the controls of the rifle. The safety was smooth and easily put into either position. The ambidextrous mag releases were right where I expected them and functioned with minimal effort. The ambi bolt-catch made for quick reloads using the trigger finger to send the bolt home after loading a fresh magazine.

It’s also handy for locking the bolt back for inspection or other purposes.

The other finishing touches of the MCX Spear were things like the steel QD sling cups that were fit into the different parts of the rifle. I even disassembled the rifle a bit to see how the piston system and barrel clamp worked.

The handguard was easily removed by two screws and a take-down pin. It slides on a tongue and groove with the monolith top rail of the upper receiver. Underneath, I found the barrel trunnion with two clamping screws; I tipped my hat clean off as I figured out the cunning design Sig had devised.
The two screws work dual purpose as they house a pair of jaws with a tapered face, and they marry an opposite tapered face on the front of the barrel extension. As the screws are tightened, the jaws draw the barrel extension tight into the barrel trunnion block.

Once snugged down, the screws’ second purpose begins to apply clamping force to each side of the split trunnion. Once tight, the barrel extension has been seated tightly against its mating face ensuring accurate head spacing. And the clamping force holds the barrel tight into place.

Besides its intricate manufacturing and design, the MCX Spear LT was just plain handsome! The Coyote finish is a beautiful shade, and the coatings of the other parts were equally immaculate. Every little thing seemed well thought out and executed, and after shooting over a hundred rounds on the first trip, I already loved this rifle.


During the course of several hundred rounds, the MCX Spear LT worked flawlessly. I experienced no malfunctions during testing.


The Spear LT isn’t exactly made for precise shooting, but it is more than accurate enough for the typical duties of a short-barreled rifle.


You may have gathered by now that I am quite happy with this rifle. Everything about it feels good and aesthetically pleasing to my eyes. The coatings, finishes, and every little edge are cleaned up, and it functions as good as it looks.



The dual-spring buffer rides above the bolt carrier in the upper receiver, part of which hangs down to engage the top of the bolt carrier.

By moving the whole recoil operation into the upper receiver, the stock options of the rifle can be changed to near any configuration, or none at all. The already short Spear LT can be further shortened and fired with a folding stock.


The ambidextrous controls of the Spear LT are convenient regardless of your preferred shooting stance. My favorite part is the right-side bolt release, which makes it extremely easy to reload. As you insert a fresh magazine, you can immediately charge the rifle with your trigger finger while your support hand finds its way to the handguard.

With controls on both sides it makes the rifle even easier to operate and obviously much friendlier for left-handed shooters.

sig standard mcx vs mcx spear lt
On top is the SIG standard MCX compared to the MCX Spear LT on the bottom.


The Sig folding buttstock attaches to a vertical pic rail at the back of the lower receiver. The simple construction of the stock appeals to the minimalist in me, with very few things to go wrong.

They even added a small polymer cover where your cheek might touch the stock, which was one of my complaints with the original MCX. Adding a steel sling cup to the back also gives you more sling options.


As I’d already mentioned, I wasn’t going to try and get the muzzle device off this rifle. Much to my dismay, as one of my favorite things to do is test suppressors on different rifles. I would have loved to see how the two-position gas block would have fared with a couple of different suppressors on it.

It is certainly nice to know that the option is there, though I don’t think it would be too hard for Sig to make a three or four-position to give a little more customization options.


The lightweight handguard of the MCX Spear is comfortable and easy to work on.

MLok slots all over give the user many options to customize the rifle and put accessories where they want them. And if you choose to swap the barrel out of your rifle, the handguard is easily removed to allow access to the barrel trunnion and its clamping screws.


sig sauer mcx spear lt close up trigger grip controls

The Flatblade match trigger in the Spear was outstanding. A much better trigger than I anticipated in an SBR, and it likely helped with accurate shooting.

This is the kind of trigger I would expect in a nice DMR-type rifle, and it was very welcome for me.


I shot the MCX Spear LT over a few range trips, using the aforementioned Hornady ammunition and some PMC Xtac 55-grain ammunition. For the majority of the shooting I used an EOTech holographic sight, which I might add is an excellent option to go with the Spear.

Shooting the rifle was mostly done at closer ranges, mainly because I think that’s where rifles of this configuration shine. Pulling the rifle out in a vehicle showed how handy the little SBR can be, and shooting it from the folded position also put its utility on display.

Reloading the rifle was smooth and seamless, mainly due to the ambi bolt-catch I already mentioned. The Pmags flowed in and out of the magwell through a great many reloads, and it felt like the kind of rifle you’d want in a gunfight, should such a thing happen.


sig sauer mcx spear lt close up with Hornady black ammo

Hornady Black ammunition was used for the majority of my testing. The 62-grain load worked great in the rifle. I also used several boxes of the PMC Xtac 55-grain ammo and some Frontier 55 grain HP loads. All of them worked well, but the 62-grain load was for sure the best in this rifle.



Rifle ran flawlessly for the duration of my testing.


With the customization utility of the MLok handguard, I think you could set this rifle up to be perfect for you. Out of the box, it is not bad at all, either.


The buttstock options, while awesome, are also slightly limited. I’m still mad bout the Rokset muzzle brake.


Dead sexy. Nothing more to say.

VALUE (9/10)

The Spear LT is not inexpensive, with a street price of around $2500.00 it could be tough for many to justify. But if you were ever gonna splurge on an SBR, splurge here.


sig sauer mcx spear lt review

The Sig Sauer MCX Spear LT is an excellent choice for a defensive rifle, a sport rifle, or really for almost any other shooting activity suited for an SBR.

It brings Sig’s high quality and service standard to a very handsome and usable rifle without having the large footprint of a full-size rifle. If you are in the market for a good SBR that you’d want in a life-or-death situation, the MCX Spear LT would surely be at the top of my list.


Read the conclusion here

Sig Sauer MCX 5.56

You may have been hiding under a rock if you’ve not heard of the new Sig Sauer MCX Spear, the MCX family of rifles has been a popular stalwart in the Sig Sauer lineup for some time. The industry giant has been bringing all kinds of developments over the decades they have been manufacturing firearms, and the MCX is one of them. At a glance, the MCX appears to be just an AR-15, but a deeper look into the rifle will show something quite different.

The Dawn of Modern Sporting rifles

Since the first Stoner variant of the AR-15, a buffer tube protruding from the rear of the lower receiver has long been commonplace. The buffer tube serves two purposes; first it houses the buffer and spring which are vital parts of the function of the action, and second it serves as the base structure for the buttstock of the firearm. Buttstocks are typically attached around or to the buffer tube itself, which has dominated the design of all the various available buttstocks for AR patterned rifles.
The design of the MCX migrated the buffer spring and its associated hardware into the upper receiver, an in doing so has changed several aspects of the platform itself. Gone are the days of fitting your buttstock to the tube, in fact, you don’t even need a stock with the MCX. There are “pistol” configurations that don’t even utilize a buttstock.
This tubeless design makes the MCX stand out from the AR crowd, but there is more to this gun than just the buttstock.


The MCX shares a great deal of parts with most AR-15 style rifles. Magazines, triggers, and such are compatible, but there are also plenty of differences. The bolt carrier in the MCX is driven forward by a pair of springs that ride just above the carrier inside the receiver. The charging handle also sandwiches into the same area as the recoil springs and bolt carrier. The handguard is attached to the upper receiver and features a very skeletonized keymod attachment section, newer models also have MLok compatible handguards. There is a small window in the front of the handguard to access the two-position gas valve.

Bolt carrier and receivers detail

The lower receiver is very similar to traditional AR lowers except where the buttstock attaches, and additionally features an extra magazine release on the left side of the receiver. There is also a small spring plunger mounted behind the trigger, it appears to be an accurizing add-on to reduce the play between upper and lower receivers. The buttstock itself is a skeletonized design with a built in folding hinge allowing the stock to be stowed to the side of the rifle, this of course doesn’t effect the operation of the rifle. All the mechanics of the operating system are contained within the receivers, so the rifle can fire regardless of the stock position.

As soon as I could, I prepared the MCX for the range. I mounted up a fresh Tango MSR scope also from Sig Sauer, the 1-8 power scope would be an excellent compliment to the MCX. I also grabbed a suppressor because I wanted to see how the rifle functioned suppressed. I packed up some PMC Xtac 55 grain ball ammo to shoot in the rifle, as well as a Magpul MS4 sling to use on the rifle. I also brought a couple assorted P-mags and GI magazines to try in the rifle.

After boresighting the scope, I cracked off the first few rounds and they were quite close to my point of aim. It only took minor adjustments to get the scope zeroed and then it was go time. Shooting the rifle at a hundred yards I quickly gained familiarity with both the rifle and scope, hits came easily as the MCX churned away smoothly. The weight felt surprisingly light, I believe they were advertised at six pounds though I think that is a little under what this one weighed naked.
The three-pronged flash hider seemed very effective at reducing muzzle flash, and the recoil of the 5.56 cartridge is very easy to handle in a rifle this size. The rifle was very comfortable in maneuvering and made for a very enjoyable time spending my money. I stretched the rifle out to the three-hundred yard line where I found it to be still quite accurate, I imagined an errant coyote who might have wandered into range would have been easily dispatched.
Shooting from P-mags and GI metal mags both functioned flawlessly as I would expect from this rifle, I figured it was time to install my suppressor to see how the rifle performed suppressed. This required removing the factory flash hider, and installing my suppressor mount. Sig uses a taper on many of their muzzle devices to aid in alignment, since I wasn’t using a Sig suppressor the taper was unneeded. I mounted up my Yankee Hill Machine Turbo 556 suppressor and went right back to town on the targets.

note handguard and gas valve detail

Suppressed shooting made the MCX really shine. The increased weight seemed to calm down the recoil impulse even further making it easy enough to spot my own hits at 200 yards. The reduced noise is always welcome, and hearing steel targets ring without hearing protection is always better.
Accuracy shown here from the MCX wasn’t spectacular, but I can certainly explain that. The included picture shows five shots from 55 grain PMC Xtac ammunition, it shot much better with Hornady Black 75 gr match but I didn’t get it on paper. Shooting from bags at one-hundred yards with an eight-power scope shivering in below freezing temps may not have given the MCX a fair shake. Continue Reading Here…

Sig Sauer Tango MSR 1-6×24 riflescope


I’ve been on an LVPO kick for a while now, I find them to be very useful for a great many purposes. Despite my focus on precision and long range shooting, LVPO’s still make up a good portion of my optics selection. Today I want to take a look at a new to me LVPO, the Sig Sauer Tango MSR 1-6×24 riflescope

Having had a couple different experiences with Sig Sauer Optics starting with the Tango series of scopes as well as another LVPO the Tango 6T. I have really enjoyed these different scopes and largely I have had few problems with them. So when the opportunity to check out this Tango MSR I was very excited to get hands on it.

Buy your own Tango MSR right here!

Out of the box

As I opened the box, I was glad to see that Sig even includes a quality ALPHA-MSR scope mount in the box. That easily narrowed down my mounting decisions.
I will say I was surprised with everything included with the scope, and I’ll be honest that going in I had only a vague idea of the price of this scope. The mount, the typical tools that come with it, battery for the illuminated reticle, and some quality flip caps were also included. They are branded Sig but look to be either Tenebrex or a really close knockoff.

Either way they are very nice and lay flat against the scope when open. The MSR also includes a throw lever or “cattail” as its often called, this is handy for quick adjustments of the magnification.
Sig’s Tango MSR is a second focal plane scope, that means the reticle stays the same regardless of magnification setting. The scope adjustment turrets are MOA and have .5 MOA clicks. And the scope body has a centerline painted on the exterior of the tube, to help ensure level mounting I believe and it surely did that. In a very short time I had the scope married to it’s mount and ready to install on a rifle.

The Tango MSR was a perfect fit for the Sig Sauer MCX

First Shots

Luckily I happened to have a Sig Sauer MCX rifle in hand at the time, it seemed like a perfect fit for the MSR. I was more correct than I could have known.

After installing the scope onto the pic rail of the MCX, off to the range we went. The MSR seemed to be made for the MCX as I didnt even need to adjust the scope for a good zero. Once I started shooting everything lined up like they came from the factory that way.
We spent some time shooting the rifle at fairly close distances inside two-hundred yards, but I also utilized the reticle for a few extended distances. The reticle features a typical upside down horseshoe type reticle, with several drop points and wind holds. Its name suggests that the MSR is designed specifically for Modern Sporting Rifles (MSR), and the BDC6 reticle is calibrated for the most popular MSR cartridge the 5.56 Nato.

As I mentioned earlier, I purposely didn’t look at the price of this scope before reviewing it. I was previously very pleased with the optical quality of the Tango 6T. This Tango MSR is not quite as high quality, but still very clean and clear. I was surprised to see the price point after playing with it. One would have expected it to come in the 600-800 dollar range. But for the MSRP of $422.99 I think this scope is a great value.

Shop Sig Sauer Tactical optics

Testing turret values

I also bolted down the mounted scope to a bench, and measured the turret values against the reticle values which all checked out. The reticle values are handy to keep in mind, or you can refer to the owners manual where they are listed.

It may not line up perfectly with the drop of your particular ammunition and atmosphere. This is why I typically don’t care for calibrated reticles. That said, if you know what value they represent you can use them for all kinds of shots and hold overs.

note MOA values of the BDC6 Reticle

Pros & Cons

In my opinion, the Tango MSR is a great little scope for its intended purpose. Optical clarity is great, the magnification ring is quick to adjust and its throw lever helps make it even better. The 1X power setting allows for easy both eyes open aiming, without straining to focus. The quality accessories that are included also greatly add to the value of this scope. Including the mount is a perfect match for the scope as are the the scope caps.
Perhaps one thing I would change about the scope is probably the reticle. I’m not a big fan of the horseshoe type reticles. Though it does have lots of detail to allow holdovers and windage etc. Which makes it certainly a very useable reticle. I also wouldn’t mind having an MRAD version of the MSR. But to be perfectly fair it’s not the type of scope you’ll be dialing all over with so it’s probably fine.


The Sig Sauer Tango MSR is a great little scope. I would highly recommend it for anyone who is looking for an LVPO in this price range.  It has a great deal of value added as well as performance capability.


Sig Sauer Kilo 10K Binoculars


glassing with the sig sauer kilo 10k
glassing with the sig sauer kilo 10k

I’ve been severely hooked on both hunting and long range shooting for more than a few decades, so laser rangefinders are nothing new to me. I still remember saving up what seemed like an eternity to purchase my first one, an LRF I could barely afford but would actually hit a thousand yards and beyond reliably. All these years later my laser has migrated into a good pair of bino’s which are a must have for spotting animals in these Rocky Mountains. But the me from twenty years ago would never believe just how much else has migrated into the binoculars I carry. Today we are looking at the Sig Sauer Kilo 10K Binoculars.

Sig Sauer Optics

Sig Sauer jumped into the optics market with both feet, and like their products or not they have been innovating all over the optics world. They worked hard enough to earn my business a few years back when I bought one of their Tango 6 5-30 riflescopes.

I have had the good fortune to sample a broad spectrum of Sig Sauer’s Electro-optics. Enough so to become quite confident in giving them more hard earned money. The Kilo 10K is that latest purchase, a pair of consumer grade binoculars that feature arguably military grade functions. I decided that I was due an upgrade, and spent the money.

The Kilo 10K Binoculars

I have been using another pair of 10X42’s for the last few years, but a friend bought a pair of the Kilo 3000 binoculars and I quickly noticed they seemed better to my eyes than the binos I was using. The Kilo 10K is a significant upgrade from the 3000 model, with so many features I’ll have to keep it short to avoid this page taking all day to load.
Besides Sig’s standard features such as their Ballistic Data Exchange (BDX) and their various lens coatings and armor, the real juicy details are all encoded inside. The Kilo utilizes second generation Lightwave DSP ranging engine that has various ranging functions that allow you to range reflective targets as far as 10,000 yards away. I was dang sure gonna try that out.

sig sauer kilo 10k
Some of the data displayed in the Kilo 10K Heads up display

The onboard system also has all the sensors needed to calculate real time ballistics via Applied Ballistics Elite ballistic calculator. Instead of pairing to your phone application the Kilo does it all inside. Spoiling you with an incredible array of information right in front of your eyes. All this without ever taking your eyes off the target.
The internal systems of the Kilo also have compass and GPS functions. You can see compass headings and such right in the binocular heads up display, angles of incline are also displayed. And you can mark waypoints in your travels using the Basemap application.
The aforementioned Applied Ballistics (AB) software allows you to store up to 25 different profiles in the binoculars using their complete bullet library. So you can always have you favorite load cued up. The Kilo 10K reads all the relevant atmosphere information to give you a corrected firing solution.  Including current density altitude conditions, and even a wind meter for accurate wind speed measurement.

Figuring out the Sig Sauer Kilo 10K

I was a bit apprehensive about having the brainpower to figure out and run everything the Kilo 10K offered. After reading through the manual a few times, I was less so.
sig sauer kilo 10k
The Kilo can be configured using the buttons controlling it, or using the BDX phone application. I went about changing a few of the settings to better fit what I thought I would like, it didn’t take long to figure out. The menu allows easy switching from meters and yards, as well as MOA to MRAD. Using the onboard sensors, the Kilo provides the air pressure, temperature and humidity. You can configure the system to automatically measure the temperature or you can input the temp manually if selected. You can also select manual input of other atmospheric data using the app on your phone.
The heads up display on the Kilo 10K is incredibly informative. it gives you distance (both actual and angle corrected) shooting angles, and wind corrections as dictated by the bluetooth connected wind meter. I was very please to see that even a milling reticle can be chosen to aid in spotting for corrections.

Ballistic data is displayed both through the binoculars as well as on the phone display, this could enhance a fire teams ability to make quick shots

After several trips into the hills to simply play with and look through the Kilo 10K, I decided it was time to get serious.

Data Input

I replaced the factory preset data that came set for a .308 175gr SMK, and entered in all the data for the 6mm GT I was planning on shooting. All the data is easily entered via the BDX app, and no sooner had I input my data, the Kilo synced everything up with the tap of a button.

The AB calculator uses a bluetooth wind-speed anemometer to capture the speed of the wind. As well as temperature, humidity, angles, and all the other pertinent information is captured and fed into the system.

sig sauer kilo 10k
the whole kit

One slight complaint I had was from the wind meter itself, it measures the wind just fine. But the direction of the wind has to be put in either through the app on your phone (fastest way). Or you can also do it through a quick access menu on the Kilo itself. The quick switching nature of the wind makes me wonder how challenging that data point might be to maintain accurate. I was hoping there was a way to index the wind direction using the compass heading from the GPS.

There are a great deal of customizable options to change how the data is conjured before your eye. The heads up display menu was clear and quick to cycle through despite having to do everything using only the two external buttons on the binos. I have used AB for some time, so my confidence in the ballistic calculations were good. I wanted to see how the interface with the Kilo lined up, to see if it was as simple as point, laze, and shoot.

Hunting Country

On a blustery summer evening, I made my way into the Wasatch Mountains to do some additional testing of the Kilo’s capabilities. The storm front threatened to bring rain, but for the most part all I got was gloomy cloud cover. The high winds carried a visible amount of dust and debris. This had me concerned at how well the laser would reach. But I was quite surprised to see the Kilo light up with just over five-thousand yards, over two-point-eight miles away.

I decided to hit something even further still away, from my perch at over six-thousand feet (9,189 DA according to the Kilo) I could see my house below. I figured the siding would be reflective enough to hit at significant distance. So I pressed the button until it came back with a reading, and it did several times. Nine-thousand three hundred and fifty-one yards it read, that’s five point three miles away as the crow flies.

The Kilo 10K sitting on top of my Field Optics Research tripod

I checked my Basemap app, to see that the waypoint popped up marking my house. Had I needed to I could have just walked home in the dark using the Basemap as a guide.

Ballistic Data

I did some truing of the data in AB for my 6GT load to see that it lined up with confirmed data I already had saved. It was absolutely brilliant to see a firing solution populate in a second or so. With nearly all the data I needed to make the shot. The  Desert Tech SRS M2 6GT shoots very well out to fifteen hundred yards or so. I wanted to see how quick I could go from spotting targets to seeing impacts at various distances. So I played my mock hunting game where a suitable sized target is picked out, and I engaged it as fast as possible as if it were escaping. The trued data from AB via the Kilo lined up beautifully. This allowed me to make hit after hit with minimal delays between shots.
If the system was utilized between a shooter and spotter team, you could put an amazing rate of fire on targets. With a spotter using the Kilo, you could range targets and have the firing solution show up on the shooters phone screen without so much as saying a word. Both could see the live data displayed. And as soon as the next target is identified that data would pop up on the shooter’s screen. You can even actuate the rangefinder from your phone through the app. Once paired, you can touch the range button on your phone screen to activate the rangefinder remotely.
I created a second profile for my favorite twenty-two inch 6.5 Creedmoor, just to see how to cycle between profiles. As with other operations inside the Kilo, it was quick to pull up the menu and switch between profiles and other settings. As I used the internal menu of the Kilo I got much better at changing rapidly the settings. Continue Reading Here…



Today, I’ll start out with the cons, just to get them out of the way. The Sig Sauer Kilo 10k is as much a system as it is a single product. And the system relies on its multiple components for maximum performance.

That said, I don’t think they could have chosen better partners. AB is an extremely well-known ballistic-solver system. And Basemaps also has a great reputation and provides very valuable information. One downside that I found was that the Basemaps’ App required a Pro upgrade in order to use the Kilo as an add-on tool. This isn’t a huge deal, but it’s one worth mentioning.

I did have one apparent malfunction while testing the Kilo, where it did get quite warm from sitting in the sun. It was a hot July day, but I wouldn’t have considered it too hot for the Kilo to work. Much like an iPhone left in a hot car, the Kilo just stopped working, as though the battery was dead. I even replaced the battery thinking maybe I had overused it. But after sitting in the house for a few hours, it fired right back up with the battery showing full power. I haven’t been able to reproduce the problem, so I hope it was simply a fluke.


The pros of the Kilo10k system are many and hard to list. If you’ve read this far, you have already been over all the functions that I consider beneficial. So, I’ll keep it short by naming my favorites.

First off, there are the ranging capabilities. The Kilo ranges much farther than almost any of us will ever be shooting outside military applications using artillery. It is still nice to have the ranging ability. And the Kilo makes a good navigation tool as well because of its broad capabilities. The Terrapin X has long been considered top of the heap as a rangefinder. Though I have heard from several people that they have had better luck at extreme distances using the Kilo 10k.

Sig Sauer Kilo10k Binoculars
The lens coating and armor are great, but the real money is inside this compact computer of an optic

Heads Up Display

The heads-up display is very intuitive and gives you almost everything you need quickly. Important information appears larger than less pertinent information. But everything you want from a rangefinder is there. And the HUD reticle gives your spotter some reference as well.

The Kilo’s carry case is very nice and well thought out. There are two pockets for carrying small accessories, and a pigtail lanyard to keep the wind meter attached and close. The multiple profile options and quick syncing features make the Kilo incredibly useful for a guy on the move between one hunt or another. Especially if you are switching between multiple calibers or spotting for multiple shooters.


Sig has once again knocked it out of the park with this pair of binoculars. Admittedly, I have never been a big optics snob. But I find them optically superior to most comparable options, that is if you can find something close to the Kilo as far as its capabilities are concerned.

The Kilo does what it says, and I intend on taking full advantage of its well-thought-out features in the years to come. The only thing left to test is that of time and durability. Follow me to keep tabs on how the Kilo 10k performs in the future.


The Kilo 10k has gotten plenty of use these past few years. Alongside my Desert Tech SRS, its US Optics FDN25X, and suppressed by the YHM R9

2023 Update:

Last year I did have to send the Kilo back to Sig for some kind of apparent malfunction with the HUD. It was repaired quickly, and returned. I have used it for two hard hunting seasons since without any issues at all. In fact I have come to love these binos even more several years later.

Why Classic Sig Sauer pistols are still great

Sig Sauer perhaps leads the market with a plethora of new firearm products every year, and of course among those many items are their always popular pistols like the Legion series and the countless models of the P320. With all these hot releases and choices, it can be easy to forget some of the old standby pistols that Sig has made in the past. At the risk of sounding like the old guy trying to convince you to trade your Glock for a 1911, today I’m here to tell you about a few classic Sig pistols and why they deserve your time.

The P220
The P220 is an aluminum framed single stack pistol, chambered in the Automatic Colt Pistol caliber .45. It uses a double action (DA) trigger and an magazine with room for eight rounds. As with many of the older Sig pistols, this P220 is safety-less. The controls are extremely simple using only a trigger, slide-lock, and a de-cocking lever to safely lower the hammer. The mag release is in the traditional spot, all these controls are comprehensive and easily manipulated. It also has a low-slung accessory rail up front for installing weapon lights.

This P220 happens to be one of the fancy German made ones, and it also features a threaded barrel for installing a suppressor. I intended on running my Silencerco Octane 45 to see how they played together. With a few boxes of 230 grain ball ammo, the 220 and the Octane in hand I hit one of my shooting spots.
I don’t shoot much .45ACP very often, but it sure felt powerful coming out of this Sig. The full-size pistol felt perfect in my hands, its grip and angle match my natural point of aim. Hitting targets with the heavy and slow bullets was very enjoyable, even more so once I installed the suppressor. The naturally subsonic bullets of the 45 made shooting the suppressed P220 pure joy, I could have perhaps benefitted from taller sights but had no problem hitting what I aimed at.

The P220 has everything from classic firepower to the iconic looks of a service grade pistol. The trigger still feels fantastic all these years later, and the pistol’s function was flawless. The gun is obviously a little heavier than more modern pistols, and everyone but the old 1911 guy would probably like more magazine capacity. But despite those few things, I absolutely love this pistol. The heavy weight tames the movement of the gun significantly, making it smooth and deliberate in every motion.

The P239
One of the reasons that the P220 was so easy and familiar to me, was that it has the identical controls and design as my P239. I bought this pistol shortly after Y2K for those old people out there who remember phones with cords, though none of that had anything to do with my purchase. I bought the P239 because I was a freshly minted CCW carrier, and my taste then was just as good as it is now. Years later I found while reading that the P239 was frequently used as a concealable or backup pistol by agents and SEALs.

Much like the P220, the P239 is a single-stack aluminum framed DA pistol. The aforementioned identical controls are easily manipulated, and the only changes made over the last two decades has been a Hogue grip. The soft edges of the pistol and its low profile sights make it an easy option to conceal and draw.

I’ve carried the P239 for nearly half of my life, so nothing could feel more comfortable to me when shooting. And like it always does, the 239 functioned flawlessly during my latest trip afield. Shooting both 115 and 124 grain ammo, the P239 was right at home hammering targets. The eight-round magazines are solid and easily changed, and having several of them made reloads and multiple engagements quite fun. My wife who is significantly more petite than I also found the P239 to be easily handled and fun to shoot.

I typically carry this gun with the hammer down, which is easily done using these pistols. One need only pull the trigger whilst whistling Dixie. Both the 239 and 220 proved to be quite accurate, but the P239 and I have pulled off some near unbelievable shots over the years. Including the decapitation of a rodent on the first shot from sixty-nine yards, whether you believe that or not, you can certainly count on this gun shooting accurately.

The Mosquito
Before the P322, there was a Mosquito. The Mosquito is a .22LR chambered pistol that basically mimics the P series of pistols. It does use a polymer frame however, with an alloy slide and this one does have a safety. Not sure why, perhaps due to the idea that it may be used by young shooters. Other than the safety, the Mosquito is again identical in its controls and function to the other two pistols mentioned here. It does feature a pic rail for adding your favorite accessories under the front. The single-stack ten-round magazine is familiar and simple, much like every other 22 pistol from that era. Continue Reading Here…

Sig Sauer Tango 6T


Low Power Variable Optics (LVPO’s) have been flooding through the firearm market for years now. This is likely due to the proliferation of medium-range carbines. It didn’t take long for shooters to realize the value of variable low power optics, but what makes an LVPO shine over another?

Sig Sauer has long been a big name in the firearms industry.  I’ve been a big fan as long as I’ve been a gun owner. So it came as no surprise several years ago when Sig brought their own line of optics to market. What was a surprise, at least to me, was how invested I would get.

Sig Sauer Tango Riflescopes

My first Sig Sauer optic was a Tango 6 5-30. A high powered riflescope with all of Sig Sauer’s bells and whistles. It has been a great scope for several years, and still enjoys its place on one of my favorite rifles.

The 6T features Sig’s high quality, clear lenses for which they are well known. The 1-6 power 6T features a 30mm tube and a front focal plane 5.56/7.62mm/300 Blackout Horseshoe Dot ballistic reticle with illumination. There are a couple of different configurations for the 6T, the one I ordered came in Flat Dark Earth only. It also features a line lengthwise down the side of the tube. Which eases the scope’s mounting by giving a reference point. This allows users to evenly seat the scope in the rings. A “cattail,” or clamp-on handle, gives the user better purchase when adjusting the magnification setting.

I mounted the Tango 6T in the Strike Industries ASM mount, an adjustable scope mount that can cantilever the optic out to several different positions. After mounting the scope, it was time to zero it — an easy task using the finger adjustable turrets. When not in use, the turrets are capped. I installed the CR2032 battery into the illumination turret and lit up the Horseshoe reticle. The 8-position rheostat has an off setting between each number and a push-pull lock to avoid accidental adjustment.

On the Range

My first impression on the range was the image. My eyes were swept from their sockets by the crystal clear and bright image. I am more of a 1-8 fan than a 1-6, but this 1-6 is so beautiful I would have a hard time turning it down for more magnification. The Tango 6T has parallax set to 150-meters, so shooting targets further out isn’t a problem.

This was very convenient because I ran the Tango 6T on two different rifles, both capable downrange performers. I first mounted the scope on the Armalite M-15 Comp Rifle, a match-grade competition rifle built specifically for 3-Gun. I found the M-15 to be very accurate, and with the Tango 6T mounted, it was a nearly unstoppable setup. The low power setting of the Sig made closer targets easy to engage accurately with both eyes open. Zooming in to 6X gave me enough magnification to pick out distant targets, while the Horseshoe reticle offered handy hold points for those distances.

I never expect ballistic reticles to match perfectly. It’s nearly impossible unless you are shooting the same ammunition in the same conditions as those who designed the reticle — the same goes for custom scope turrets. The good news is that it’s pretty close. Modern flat-shooting cartridges have a fairly similar trajectory so drop points on the reticle are close enough to be useful.

Read the full article on Guns.com

Round Two

After testing the Tango 6T on the Armalite, I moved it over to the Desert Tech MDRX. The MDRX is a multi-caliber rifle, and I shot it with both .223 Remington and 6mm ARC barrels. The Tango 6T felt right at home on top of my MDRX, a much more compact rifle than the Armalite. Maneuvering around obstacles for shooting positions was much easier, and regardless of how close or far away the targets were, the Sig provided a beautiful sight picture with bright images.

I keep bringing that up, but the optical clarity may be the part I like the most about this scope. There is more to the Tango 6T than just optical clarity, though. The engineers at Sig paid attention to so many little details like the texturing of control surfaces, high visibility green fiber optics markers around the magnification ring, and other little features that make you feel good about purchasing this scope. 

Shop Sig Sauer optics at Palmetto State Armory
Euro Optics Has the full line of Sig Sauer Optics as well

Turrets and Reticle

The turrets of the Tango 6T are 0.2 MRAD per click, which matches the MRAD reticle inside. The clicks are very clean and audible, and the grip surfaces inside the turrets are rubberized for easier grip, whether using gloves or your bare fingers. 

As far as the reticle itself, this might be one place where I wish they had put just a tiny bit more effort into it. Some people like a simple and clean reticle, while others like a reticle with many hold points to use. Being that I am a bit of a distance junkie, I find myself in the second camp. I like a reticle with plenty of hold-over positions, and accompanying wind holds as well. 

While the reticle in the Tango 6T is plenty useful, it wouldn’t have hurt my feelings to see a bit more detail to the reticle. That said, Sig also offers the 7.62 Extended Range reticle in this scope, which is better for that kind of shooting. I completely understand that most people might not need or care about this, and if you like just a few simple hold-over points, you will more than likely love this reticle.

Concluding Thoughts

In a market flush with many great options across nearly every price range, the Sig Sauer Tango 6T stands out as a spectacular LVPO. You would have to spend significantly more money to get a noticeably better scope with the same features. Not to mention, the Tango 6T is significantly better looking than scopes that are only 10 to 20 percent less on the market. At least, in my opinion, it would be worth spending a little bit more to step up to the Sig Sauer Tango 6T.


Sig Sauer Kilo 3000 BDX Binoculars


Every hunting or shooting trip has a list of essentials, and at the very top of that gear list you’ll find things such as guns and bullets. But for many of us, it’s not very far down that list that you’ll find binoculars and rangefinder. Today we are discussing the Sig Sauer Kilo 3000 binoculars, which bring the laser rangefinder and binoculars onto the same line.

The binos made a good companion to my Desert Tech MDRX with its US Optics TS8X and YHM Turbo suppressor


Built on a 10x42mm body, the Kilo 3000 BDX offers an integrated laser rangefinder that claims up to a 5,000-yard range. Using Sig Sauer’s BDX tech, the Kilo communicates with other smartphones and tablets via Bluetooth. BDX pulls data from weather stations like the Kestrel Weather Meter to offer accurate ballistic solutions. The system also uses the Applied Ballistics solver to give shooters the best prediction for a hit. The BDX system can be used in conjunction with Sig Sauer’s BDX equipped riflescopes to show holdover and wind holds in live time with illuminative points on the reticle.

The Kilo uses a single CR2 lithium battery for powers and, according to Sig, grants approximately 4,000 chances to measure the distance to your targets before the battery needs a change. The Kilo weighs in at 31-ounces, which is almost the exact same weight as is nearest competitor.


The vast expanse of the Rocky Mountains is the perfect place to put a rangefinder/bino combo to the test. I spend a couple of days each week shooting in these beautiful landscapes; so, I headed up to one of my favorite trails to test the Kilo. Before I left, I suited up with the chest harness that ships with the Kilo so I could hike hands-free.

The Kilo rides securely in a case around the wearer’s neck for easy access. 

Having used quite a few different binocular chest-carry outfits, I think comfort is subjective. This one, for me, wasn’t too bad. Both the case itself and the binoculars are suspended from the shoulder straps individually. The bino straps are easily snapped free should you need to disconnect them to lend a fellow hiker. Overall, I liked how quick it was to bring the binos out of the case.

Hiking into the mountains

After a good sweat from the hot August sun, I found myself looking out across a steep canyon that worked its way back into the rocky and cavernous mountain range. It was a place I frequent fairly often so I already knew a lot of the distances available to me. I sat down and began to scan with the Kilo. My very first impression of the image quality was positive.

Check out my review of the Sig Sauer Kilo 10k binos when you are done with this one.

After using many LRF binos over the years, I would put the optical quality of the Sig Kilo right near the top of its price point class. It is similar to models from Vortex, Nikon, and Leupold in the same price range. Perhaps a little better than some, but not quite as nice as the top-quality optics we are accustomed to seeing from European manufacturers like Swarovski or Leica.

One thing I did find more convenient was the focus. Using other binos, I find I must frequently adjust the focus between my eyes to get a uniform image. With the Kilo, though, I only adjusted once and never touched it again. A small issue for some, but for me it’s almost reason enough to sell my other bino models and stick with the Sig Kilo. Like most modern binoculars, the Kilo 3000 features adjustable eyecups. Like the entire exterior of the binoculars, these are rubberized for easy gripping and the control surfaces of the binoculars have an added texture as well for better manipulation.

Ranging in the wild touched to 3,000-yards, though Sig boasts a range up to 5,000-yards.

Rangefinder Performance

A good rangefinder is only as good as its ability to precisely confirm distance, so I was eager to investigate the Kilo’s laser dispersion. Laser dispersion becomes important when ranging a target with obstructions. Such as a tree branch or ridge between you and the target. Keeping the Kilo firmly fixed to a tripod, I measured the distance to several targets with surrounding obstructions.

Most targets inside the reticle of the Kilo registered the actual distance. But even something as insignificant as a leaf 380-yards away obstructing the view of a 950-yard target was picked up by the laser. All things considered, the Kilo’s laser gives a very accurate and predictable measurement. I used the Kilo both in its range-only setting as well as the incline output setting.

Shop Sig Sauer Optics at EuroOptic for a complete lineup
Sportsman’s Warehouse also has the full lineup of Sig Sauer Optics

The rangefinding capabilities of the Kilo were more than adequate for my purposes. I’ve found most rangefinders are rated for distances at the extreme envelope of their capabilities. Sig claims the Kilo can hit 5,000-yards. But I couldn’t find a target reflective enough to read that far during my testing. The Kilo did work great inside of 2,000-yards giving quick and repeatable readings for trees and even rocks in shadowed or sunny positions. I aimed it in town from my 6,000-foot perch and found that cars and buildings were ranged out to 3,000-yards.


The Sig Sauer Kilo 3000 rounds out any gear list this hunting season. 

The Kilo 3000 is yet another awesome product from the electro-optic branch of Sig Sauer. Outdoorsmen and women looking for a good pair of hunting binos would do very well with the Kilo 3000 in-hand. Having used many of its closest peers, I’d pick the Kilo.