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New from Vector Optics: Frenzy Flex 24x29 MRT Gen II Pistol Red Dot Sight

TL;DR

Model - Vector Optics Frenzy Flex 24x29 MRT Gen II, tested on a Glock 17 Gen 5 MOS.
Testing - 1000+ rounds, 4 months, static and dynamic shooting, low-light shooting with a flashlight, and NVG use.
Pros - large window, side battery swap without losing zero, NVG modes, motion sensor, 11 brightness levels, holds zero reliably.
Cons - larger dimensions requiring special duty holster, open-type design not ideal for concealed carry.
Price - about 259 euros at https://www.zbranepresov.sk/index.php?route=product/product&product_id=17874 (note this listing is the green dot version).
Best for - sport shooters and IPSC competitors, less suited for concealed carry.


Over the past 4 months, I had the chance to use and test the Frenzy Flex 24x29 MRT red dot sight from Vector Optics, product link https://www.vectoroptics.com/red-dot-sight/Frenzy-24x29-Multi-Reticle-Red-Dot-Sight-SCRD-M76.html, and I want to share everything I learned about it with you.

I used this sight on my Glock 17 Gen 5 MOS and fired over 1000 rounds through it across more than 4 months of testing, in static and dynamic shooting, with a flashlight in low light, and with night vision. So how did the tests go? What did I like and dislike about the sight? Keep reading to find out.

Unboxing and first impressions

Let's start with the packaging. The sight arrived in an interesting looking box, which contained not only the sight itself but also a mount for a RIS rail, in case you want to mount it on a short or long gun. It also included a multitool with every type of screwdriver bit you'll need for the sight, so this one tool alone covers you from mounting to zeroing. The package also included three types of hex keys and 4 types of screws for MOS pistol systems.

You also get a cleaning cloth for the lens, a manual, and a card for identifying the MOA reticle dot size.

You can find the full unboxing video on my Instagram at https://www.instagram.com/reel/DWoe1YhiGMG/.

From the moment I took the sight out of the box, I had a very good impression, the build quality and materials looked solid at first glance. I want to give special credit to the multitool included in the package, as well as the fact that you get multiple types of screws for mounting, so you can really mount this on almost anything.

Technical specifications

Material is 7075-T6 aluminum alloy, lightweight yet resistant to shooting related stress.
Durability is rated for 1500G.
Battery is CR1632, inserted from the side.
Reticle has 4 types, a 2 MOA dot, a 64 MOA circle, an 82 MOA crosshair, and a combination of all three.
Brightness has 11 levels, 2 of which are designed for NVG use.
Motion Sensor automatically turns the sight on when motion is detected.
Mounting works on MOS systems for pistols and RIS rail, with the mount included in the package.
Water resistance is rated IPX7.
Weight is 50 grams.

I haven't formally tested actual battery life, but with this type of sight it's common for the battery to last over a year of continuous use, and during the entire 4 month testing period I never once had to replace it.

What I personally find most relevant, and what I really appreciate, is that the battery is inserted from the side, meaning I don't have to remove the sight from the pistol to swap it, which would risk losing my zero. This makes battery changes completely convenient, straight on the gun.

I also really appreciate the NVG modes, since I own night vision gear, and as most shooters know, shooting a pistol through NVG without a red dot is practically impossible. I really like how this works and looks, you'll see below.

The motion sensor is especially practical for carry use, since in a real scenario there likely won't be time to manually turn the sight on, and thanks to this feature it switches on by itself.

Lastly, I appreciate the high brightness of the top setting, where the dot remained clearly visible in every environment I tested, and I'm including a photo taken against direct sunlight. With 11 brightness levels to choose from, you can effectively dial in the right setting for any environment.

Mounting and zeroing

I mounted the sight on the MOS system of my Glock 17, and I have to say it was very quick and easy. I completed the entire mounting process using only the multitool included in the box, I didn't even need the hex keys. For MOS systems, you'll additionally need an adapter plate, which I received with my pistol.

You can find the full mounting video, along with some basic tests, on my Instagram at https://www.instagram.com/reel/DW4WwC0DGe7/.

As for zeroing, I managed to get the sight precisely dialed in in about 15 minutes, without any extra tools, again using only the multitool. During adjustment, the screws provide audible clicks, so you always know exactly how much you're turning them. After 1000 plus rounds fired, the sight holds zero perfectly.

Real world use

I have to say this sight has been a pleasure to use, and I've genuinely grown fond of it, it's still mounted on my pistol, and I honestly don't see a reason to swap it out or take it off. I tested it during static and dynamic shooting, low light shooting using a flashlight, and rapid fire mag dumps, it handled all of it without issue, and to this day it reliably holds zero and stays firmly mounted on the pistol. I also repeatedly racked the slide using the sight as a grabbing point, and it wasn't affected at all, nothing loosened.

The sight is controlled using two buttons, plus and minus. It powers on quickly with a click of the plus button and turns off by holding the minus button. After 10 minutes of inactivity, when no motion is detected, it enters standby mode, turning off the reticle, and automatically powers back on to the last used setting once motion is detected again. You use plus and minus to adjust brightness levels, and holding plus cycles through reticle types. The buttons are easy to operate even with thicker shooting gloves on, and again, they click so you always know exactly whether you've pressed them or not.

As for the window itself, it's genuinely very large, which I really like, since the sight doesn't obstruct your view and you can quickly pick up the dot when drawing the pistol. Because of this, the sight actually ends up being slightly wider than my pistol, but I have to say I really like that large window, and I got used to it very quickly. The downside, especially for anyone wanting to carry this sight, is that it's an open emitter design, meaning anything from sweat, water, dust, or debris can block the emitter and render the sight unusable. For that reason, I'd always recommend a closed emitter sight for carry purposes.

As for using the sight with NVG, this is my first sight with an NVG mode, so I don't have much to compare it to, but in my experience it works great. It doesn't overexpose the NVG, and the dot is clearly visible.

It's also worth mentioning that the sight is parallax free, meaning that even if you're viewing it from an off center angle, as long as the dot is on target, you'll hit it. I tested this specifically and can confirm it works flawlessly.

I fired 1000 plus rounds through this sight, and it reliably holds zero to this day, nothing has loosened or shifted. I also repeatedly racked the slide using the sight as a leverage point, and it caused no damage whatsoever, not even to the adjustment screws.

As for the multi reticle feature, I really only used the standard 2 MOA dot. I did try the other reticle options, but the classic dot suited me best. It's also worth noting that all reticle types are properly focused, if you focus your eyes on the target, the reticle itself will appear slightly blurry if you're only looking directly at the sight, that's simply because when aiming at the target you'll see the dot sharply.

You can also find a short shooting video on my Instagram at https://www.instagram.com/reel/DYRmYPDIcZY/.

Pros and cons

Pros include a large window for fast dot acquisition on the draw with minimal obstruction of the sight picture, side battery insertion allowing battery swaps without losing zero, NVG modes for full usability with night vision, a motion sensor for auto on and standby that saves battery, 11 brightness levels so the dot stays visible in every environment even against direct sunlight, quick and easy mounting and zeroing achievable with just the included multitool, strong durability holding zero even after 1000 plus rounds and repeated slide racking off the optic, parallax free design for accurate aiming regardless of viewing angle, solid build quality and materials with 7075-T6 aluminum, and generous package contents including a multitool, multiple screw types, RIS mount, manual, and MOA card.

Cons include larger dimensions requiring a specialized duty holster that supports large red dot sights, and an open emitter design that isn't ideal for carry since dirt, water, and dust can block the emitter.

Conclusion

In my view, this is a genuinely well executed model from Vector Optics that has everything it needs. It proved itself reliable over 4 months of intensive use and more than 1000 rounds fired.

I'd recommend it most to sport shooters and IPSC competitors, since the large window and fast dot acquisition are exactly what you need for dynamic shooting. On the other hand, I wouldn't recommend it for concealed carry, due to its open emitter design and larger dimensions, which require a specialized holster.

If you're looking for a red dot sight with a large window for training, competition, or club level shooting, the Frenzy Flex 24x29 MRT Gen II is genuinely a solid choice, and at 259 euros it offers an attractive price to feature ratio given its equipment including NVG modes, motion sensor, and side battery access. You can purchase it, for example, at zbranepresov.sk for 259 euros, link https://www.zbranepresov.sk/index.php?route=product/product&product_id=17874, note that this specific listing is for the green dot version, the classic red dot version is also available, so double check the color when ordering.