The PPSH submachine gun designed by Shpagin, or, as it is correctly called, a 7.62 mm submachine gun with a drum magazine (disc) of the 1941 model, was the main and most massive automatic weapon of the Red Army and the Red Army in World War II and in the Great Patriotic War. It is an automatic hand-held firearm designed for firing bursts and single shots.

Like any type of weapon, the PPSH had its strengths and weaknesses, but definitely the advantages of the “daddy” can rightfully be attributed to the large capacity of a round drum magazine with a capacity of 71 rounds plus 1 in the chamber.

The case of the magazine is a round box, where there are details: a small figured window for feeding cartridges from the actual store to the receiver, designed to direct the cartridges and fix them in the desired position. A tray is provided for additional direction of cartridges into the chamber. In addition, the design provides a thrust pin that performs the task of a snail rotation limiter and there is a special connecting axis.

The designers provided a loop for placing the magazine on the waist belt of the fighter, as well as a bar with a guide segment and a special cutout for fixing the store with a small latch.