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The Battle Arms Development BAD EMMR is a modular, extended magazine release built to replace the small mil-spec button on your AR-15 or AR-10. It swaps in over the standard footprint on most lowers regardless of who made them, and the large red paddle gives your trigger finger a bigger, textured surface to hit. That means quicker mag drops without shifting your firing grip, which is a real advantage when you're running gloves, working around an optic, or moving fast.
Most extended releases bolt a paddle onto the button with a couple of screws, and those tend to loosen or flex once you put real use on them. The EMMR uses a patent-pending three-sided dovetail attachment instead, so the finger pad locks into the button on three surfaces for a much stronger, more repeatable hold. It's machined from billet 7075-T6 aluminum with an anodized red finish, keeping things light, low-profile, and tough. This exact model wears the large finger pad, which runs roughly a quarter inch longer than the medium if you want the extra reach.
Because the finger pad is interchangeable, you're not locked into one setup. You can swap pads for a different size or color down the road without buying a whole new release, which is where the "modular" name earns its keep. Installation is straightforward for anyone comfortable working on an AR lower, using the included screw and hex wrench. A quick tip from the field: go easy when torquing the pad screw and add a dab of thread locker so it stays put over the long haul.
The red anodizing is a clean way to add a pop of color to a build without going loud everywhere, and the aggressive texture on the pad makes the control easy to find by feel alone. It's a small upgrade that pays off every single time you reload.
The EMMR is designed to replace the mil-spec magazine release button and fits the standard mil-spec footprint found on most AR-15 and AR-10 lowers regardless of manufacturer. Keep in mind that some AR-308 and AR-10 receivers vary in dimensions, so certain platforms may not accept it. If you're building on a non-standard receiver, it's worth confirming your footprint before installing.
Traditional extended releases attach the paddle with screws alone, and those can loosen or fail under heavy use. The BAD EMMR uses a patent-pending three-sided dovetail that locks the finger pad in on three surfaces, giving you a much stronger and more consistent hold. It's the main reason this release stands up better over time than a lot of the competition.
The large finger pad runs about a quarter inch longer than the medium, giving you more surface area and reach. The large is a good pick if you like a bigger, easy-to-find control or run gloves regularly. Since the pads are interchangeable, you can switch sizes later without replacing the whole release.
Not at all if you're comfortable doing basic work on an AR lower. It uses the included screw and hex wrench and swaps in where your factory button sits. A little thread locker on the pad screw and a light touch when tightening will keep everything solid for the long run.
| UPC | 810033780509 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BAD-EMMR-L-R |
| Product Type | Magazine Release |
| Model | |
| Color | RED |
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