This should be what WWII reenactors should be going for when they want a realistic operating replica of the MP40. Neo035, the foremost expert in World War II Airsoft goes over the SRC MP40 CO2 Blowback SMG that has a steel upper body with fixed iron sights and a one piece aluminum lower body and grip with plastic non-slip texture covers, Other Aluminium parts are the outer barrel with muzzle cap, folding stock and movable dummy charging handle. Other features are the front and rear sling rings and a 30-BB round steel magazine.