This is the closest you can get to an original MP-40 while keeping a rimfire action. This model comes with an underfolding stock (like a real MP-40) and a faux suppressor. – MP-40 CARBINE SPECIFICATIONS – Brand: Mauser Rimfire – Category: Rimfire Rifles – Caliber: 22 LR – Model: MP-40 Carbine – Stock Finish: Black – Action: Semi-Auto – Sights: Adjustable Rear – Capacity: 10+1 – Muzzle: Faux Suppressor – Receiver Finish: Black – Stock Description: Underfolding – Stock Finish Group: Black – Twist: 1:16 – Barrel Finish: Black – Barrel Length: 16.30