The MasterPiece Arms Defender is a semi-automatic pistol chambered in 5.7x28mm. This firearm includes a 20-round magazine and is in very good condition, showing minimal cosmetic wear consistent with responsible use and handling. The firearm features the Defender series design with a compact profile and detachable magazine system. Chambered for the high-velocity 5.7x28mm cartridge, the platform was introduced as part of MasterPiece Arms' Defender lineup and is based on the company's updated MAC-style design. 1802789-EMM-AH