The GLOCK G21 Gen5 MOS .45 ACP Pistol is built with a GMB steel barrel and has a 10-round capacity. It features a serrated steel slide and a polymer frame with picatinny rail. Firing pin and trigger block safeties and a black interchangeable backstrap grip complete the design. GLOCK G21 Gen5 MOS .45 ACP Pistol - Handgun Semiauto Center Fire at Academy Sports
