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

25 Hours Runtime from a Single AAA Battery

Installs easily into any M16/AR-15/AR-10/SR-25 pattern Made from 4140 steel case hardened and Manganese Phosphate coated for a lifetime of service

stocks and handguards

Compatible with:

and situational awareness

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