Neo035 features the Snow Wolf PPSh-41 AEG which is used as the base gun for the MP41r conversion kit from Trench Airsoft. The MP41r Kit for the PPSH-41 AEG is a steel adapter that allows you to easily convert your S&T, Snow Wolf, ARES, or other brand PPSH-41 AEG into the MP41r. This kit is compatible with SRC Mid-cap and High-cap magazines. The MP41r was a German submachine gun developed during World War II by rechambering captured Soviet PPSh-41 submachine guns to fire the 9x19mm Parabellum cartridge.