PPSh-41 submachine gun

Designed by Georgi Shpagin in the USSR c.1941 and manufactured in large quantities well into the 1960′s.
7,62x25mm Tokarev 71-round drum magazine or 35-round stick magazine, blowback select fire with selector switch located in front of the trigger.

With 6 million guns rolling out during WW2, the PPSh-41 smg was one of the work horses of the Soviet Union infantry.