गैस चालित Gas-operated gas-operated reloading Gas-operated gas-operated gas-operated gas-operated gas-operated Short-stroke Gas-operated (short-stroke piston) gas-operated reloading gas operated gas operated gas operated gas operated gas-operated reloading gas operated gas-operated gas-operated reloading gas-operated long stroke gas system short-stroke gas piston Gas-operated gas operated gas operated gas operated l Gas-operated gas-operated English gas-operated reloading gas-operated Gas-operated Gas-operated Gas-operated gas-operated reloading Gas-operated (short-stroke piston) gas operated gas-operated gas-operated gas-operated Short-stroke gas operated first gas-operated pistol gas operated gas operated Source Gas-operated gas-operated reloading gas-operated English short-stroke gas piston English