Finnish Suomi KP/-31 submachine gun, one of the finest SMGs of WWII era. High-capacity drum magazine and exceptional accuracy influenced Soviet PPSh-41 design. Type: Submachine Gun Action: Semi-Automatic Caliber: 9mm Capacity: 71 Year introduced: 1931, Finland Weight: 248 oz Overall length: 34.3" Status: Discontinued Military use: Yes Intended use: Military