Physical
The physical qualities of the Suomi KP/-31 (Konepistooli m/31). Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
870 mm
34.25 in
O/A Length
314 mm
12.36 in
Barrel Length
10.14 lb
4.60 kg
Weight
Straight Blowback
Action
9x19mm Parabellum
Caliber(s)
20-, 36-, 40-, 50-round box; 71-round drum
Feed
Iron Front and Rear.
Sights