Intro

As red dot sights become more and more popular, many variations of them are being brought to market. The enclosed emitter type is a more recent development, and today I am bringing you a review of another enclosed emitter option. This one comes from Vector optics, and it is called the Frenzy 1x17x20 MRT red dot. The Frenzy family has various models for differing applications, possibly one for every need.

The Vector Optics Frenzy 1x17x20 MRT Red Dot

Standing out from the other Frenzy models, the 1x17x20 MRT uses aspheric lenses and an enclosed emitter. Keeping the emitter sealed inside the housing prevents contamination and deterioration of the reticle. The aspheric lenses on the other hand, improve peripheral vision when looking through the sight. Giving an overall better view than traditional spherical lenses.

Controlling the Frenzy is done using two rubberized buttons on the left side of the optic. There are nine brightness settings and two for night vision usage. There is a motion sensing option, that will auto shut-off after three minutes of not moving, and power back up instantly upon moving.

Specifications

Specification	Details
Magnification	N/A
Window Lens Size / Objective Lens Size	17×20 mm / 0.67×0.79 in
Eye Relief	N/A
Parallax	≤ 2 MOA
Parallax Setting	25 yards
Dot Size / Reticle	3 MOA Dot, Circle, Crosshair, etc.
Dot / Reticle Color	Red
Sensor	Motion Sensor
Click Value	1 MOA
Elevation Adjustment Range	≥ 90 MOA
Windage Adjustment Range	≥ 90 MOA
Footprint	MGT (comparable to RMSc/SMS footprint)
Mounting Rail	Weaver
Illumination Setting	9 Daylight & 2 Night Vision
Battery Type	CR1620
Battery Life	50,000 hours (Lowest Power Mode)
Battery Placement	Side Loading
Waterproof	IP67
Shockproof	1500 G
Working Temperature	-20~+60°C / 2H
Housing Material	7075-T6 Aluminum Alloy
Mount Material	6061-T6 Aluminum Alloy
Finish	Matte Black
Weight (without mount)	26 g / 0.92 oz
Items in the Package	User Manual, Cleaning Cloth, Vekey, Weaver Mount, Hex Keys, etc.

Features

 Multi-Reticle Options: 3 MOA Dot, Crosshair, and Circle with 9 Brightness Levels & 2 NV Illumination Modes for Diverse Shooting Scenarios. I used the Frenzy with the dot and the circle dot, I like the precise aimpoint of the dot alone, but the larger circle dot is nice for covering targets. The brightness settings all seemed perfectly adequate in daylight and less. I even tried the NV settings which were perfectly visible, though it did seem a little harder to get a clear presentation of everything. But that could be more a NV thing than to do with the Frenzy.

· Distortion-Free Clarity: Aspheric Lens Minimizes Aberration, 26g / 0.92oz Lightweight Design Ideal for EDC. I did notice a little difference than with other red dots, it seemed there was better reticle acquisition. As well there was less distortion when moving the red dot, the target area behind the reticle seemed more stable.

· Smart Power Management: Motion Sensor Prevents Wasted Battery, Side-Loading Design Allows Easy Replacement Without Losing Zero. I can’t believe this isn’t standard equipment on every red dot on the market. The auto power off is a great feature to save battery power, and the power-up is instantaneous with any movement. I did notice that it did take slightly longer than advertised to shut down, but that is nothing to worry about in my opinion.

· All-Weather Performance: 7075-T6 Aluminum Alloy with IP67 Waterproof Enclosed Design for Reliable Outdoor Use. Another fantastic feature that keeps rain and snow out of the important parts of your sight. Even in pretty thick snow fall, it was easy to just wipe the front and back lenses clear. With no concern of anything getting into the emitter.

· Broad Compatibility: MGT Footprint Fits RMSc/SMS Mounts for GLOCK® 43X/48 MOS, Canik® TP9, Walther® PPS, etc. This was a new one for me, I guess the MGT footprint is one Vector Optics created. It did fit perfectly on various handguns, making it a great choice if you have a variety. I really liked the configurable footprint of my Ruger RXM which the Frenzy-S dropped into perfectly.

Mounting the Frenzy

So far I’ve mounted the Frenzy on two different Glock clone pistols. The first one is my Shadow Systems DR920, it too has variable mounting options for different red dots. But the Frenzy fit snugly, and easily allowed the use of the rear sight when looking through the window of the sight. The Frenzy has a rear sight incorporated to its housing, so in the event your pistol’s rear sight is too short or removed to run a red dot you can use this one.

The Frenzy came with various different mounting screws that can be used in different pistol slides. This was very handy when I decide to swap the sight over to my Ruger RXM. It dropped into place after configuring the recoil pins into the right location. And with a touch of Loctite, I torqued down the screws to keep it in place.

Shooting with the Frenzy Red Dot

Some enclosed emitter red dots have a very narrow field of view, which makes it feel like looking through a small tube, instead of looking through a window like most red dots. I have used some very popular red dot sights that seemed too narrow, and didn’t care for the view. One thing I like about this Frenzy is it doesn’t block out the area around the target, it feels like most open red dots giving a pretty wide field of view.

Zeroing the Frenzy was simple using the miniature rifle shaped tool that was included with it. Adjusting the reticle to match the iron sight position was quick and easy. The two buttons are rubberized which makes them easy to feel, and adjustments are concise with a small click everytime the button is pushed.

You can cycle through the brightness settings easily using the two buttons. Changing the reticle is done by holding down the + button until it changes to one of the three options. Carrying a pistol with the Frenzy was great because of its small size. Many enclosed emitter red dots are much bigger than this, making them a little uncomfortable for CCW. With its small size it fit neatly into holsters and doesn’t extend beyond the width of the slide.

Pros and Cons

The Frenzy feels well built, with its aluminum housing that appears to be machined from a single piece. The lenses are clear and give excellent transmission without much reticle flare. The MSRP of $249 might seem a bit steep to some, but it can easily be had for as little as $169.99 That is reasonable considering I’ve seen many others priced comparably that are inferior.

And not only does the Frenzy come with a limited lifetime warranty, they also come with a 15 day money back guarantee. They give you plenty of ways out should you not like the product, but I expect you will. The only strike against the Frenzy is arguably that it is made overseas. But nearly all red dots are made in Asia, and it hasn’t stopped some of them from being among the most desireable sights on the market.

Final Thoughts

This Vector Optics Frenzy 1x17x20 MRT is definitely a red dot that will stay on my more frequently used pistols. I have really grown to appreciate its clear view and easily picked up reticle. There is very little not to like about this dot, so it will stay in my collection of most used red dots.

-CBM