Gem Bids For Spare, Obturating Ring, Lock Pin, Front Piston W Ring, Rear Pistonw Ring, Firing Pin Point, Current Supplying Contact, Contactor Assy, Gas Block, Valve, Nut, Locking Ring, Springs, Pawl, Breech Block Body, Breech Block, Firing Pinspring, Upper Crank, Connecting Rod, Lower Crank1, Packer