Description Suomi KP-31 M31 in 9mm with one, thirty six round (High Capacity) removable magazine with a 16.5″ barrel. Metal butt plate. Solid wood butt stock and front foregrip. Parkerized receiver, trigger, guard and barrel. Adjustable rear sight and front fixed blade. Serrated safety switch on the trigger guard. Right side bolt knob. Right side of receiver serrated barrel take-down lever. Under receiver magazine release. Check Local/State laws on (High Capacity) magazines before bidding. This sub-machine gun has been made into a semi-automatic and has been refinished and re-barreled. This Semi-automatic rifle must ship to a C&R or FFL holder.
Condition: Very good/Excellent with light scuffs, scratches and handling wear. The rifle has been refinished at some point and a barrel put on with extension on the muzzle end. The front handgrip has been welded on at some point. Clean rifled bore.
Barrel Length: 16.5″
Serial: H002258
Manufacturer: Suomi Finland
Caliber: 9mm
Model: KP-31 M31
Year-Range 1931-1953