Magazine Catch/Release For Glock 43X/48 OTB 25 Hours Runtime from a

25 Hours Runtime from a Single AAA Battery

Installation tip: In order to reduce the overall length of the mount as much as possible

or storage when not shooting Ratcheting loading lever removes tension from the internal spring

and situational awareness

giving the end user a 12 o'clock mounted Red Dot

Magazine Catch/Release For Glock 43X/48 OTB 25 Hours Runtime from aShield Arm's steel mag catch is optimized to work with the Shield Arms S15 magazine. While it remains compatible with plastic OEM magazines, it can cause increased wear on plastic mags with prolonged use, and OEM mags may not drop free. Shield Arm's does not recommend using their steel mag catch with plastic OEM mags. They recommend steel on steel or plastic on plastic. If you have a first generation aluminum mag catch, it may not work with gen 2 S15