Great guy!" 98002. Company Reputation: It’s Rainier Arms… what else is there to say. It’s more fit for my purposes and style of training. This was because the pressure applied on the right side is different than the more sliding pressure motion on the left side. Auburn You can just run your thumb across or up the ramped button and that sliding pressure drops the mag. The reason is that the right hand side has a little lip towards the trigger guard and you press the tip, which is slightly angled. In fact, I am really working on that general concept, even in my combat jiu-jitsu training. I’ve tried extended buttons, competition buttons, etc… Didn’t really like any of them. United States Will Women Like It? My G19 has a flat trigger installed so I can shorten the trigger reach a bit. In fact, I am halfway through a charging handle review and during a defensive/combat style training session when I had a malfunction, due to some crummy .223 remans… I ran the charging handle up against a walls corner to clear the malfunction… and the latch broke right off. Since it operates with the speed and effectiveness of a competition mag release, but it’s not a competition mag release. Installation: The installation was pretty simple once we figured out a little trick with the flathead screwdriver. The MARS has a very different feel to me. After 4,000 rounds in the last four months, during training formats… I’ve never once dropped the magazine. I have spent the last four months training, shooting and just flat out playing and fiddling with this slick little ambidextrous Glock magazine release. The gun is completely stock with the exception of a little Dremel milling under the trigger guard. Things That Should Be Changed: Nothing. For the best experience on our site, be sure to turn on Javascript in your browser. Warranty: It’s Rainier Arms. This is because when I use my middle finger to manipulate the button, I drag it across the button. MARS Glock Magazine Release Review by Debi ... - Rainier Arms I’ve put just over 4,000 rounds though my Battlefield Green Gen4 Glock19 with this little gem of a product installed. Fit and Feel:  To me… perfect. For the best experience on our site, be sure to turn on Javascript in your browser. This thing is dead on for competition, combat, or duty use. And, I have found it so useful in so many other ways than I originally thought. I prefer this MARS mag release as my standard mag release, ambi or not. The right side button on the MARS is a little stiffer than the left side and the feel and pressure applied is a little different with each side, in my opinion. But I found after playing with the MARS for a while that I actually preferred (Found it easier, faster and less adjusting of my master grip) manipulating the right side button with the middle finger at the first knuckle. Before I get into the meat of the review… I can say that at the start, I generally liked the concept of this product, I generally liked how it operated, and I had a concept of how and why and when I would use it’s features… But, I had my doubts. The product in this review: Rainier Arms UltraMatch Billet Upper and Ambi Lower Combo Set - MOD 3 There once was a time, as hard as it is to believe, when AR receivers were generally the same. Rainier Arms was started by enthusiasts for enthusiasts. As low as $59.95. Dark mode is . This allows you to aim from a variety of angles — perfect for close quarter combat (CQB) engagements. 4 Items . Meaning… I would rather not really adjust my grip on the weapon while trying to hit the mag release. 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