Shop › CMMG ZEROED AR15 AMBI MAG CATCH CMMG ZEROED AR15 AMBI MAG CATCH $49.95 CMMG Zeroed Ambidextrous Magazine Catch and Button Kit, Fits AR-15, Black 55AFF89 Quantity: Add To Cart Added! CMMG Zeroed Ambidextrous Magazine Catch and Button Kit, Fits AR-15, Black 55AFF89