MasterPiece Arms Defender 5.7x28mm 5" 20+1rd Pistol, Black - MPA57DMG

Semi-automatic pistol chambered in 5.7x28mm with a 5" threaded barrel and muzzle brake. Features a machined aluminum lower receiver with Picatinny rail, adjustable sights, side cocking mechanism, and scope mount compatibility. Accepts FN 57 20rd and 30rd magazines; weighs 59 oz with overall length of 11.25".