Suomi KP/-31
The Suomi-konepistooli M31 (Finland-submachine gun M31) was a direct descendant of M-26, which was introduced to public in 1925. It was often abbreviated to just Suomi M31.
The M-26 was made by a Finnish company called "Konepistooli Osakeyhtiö" (Submachine gun company); founded by A.J.Lahti, Captain V. Korpela and Lieutenant Koskinen and [unknown]; the weapon was designed by Lieutenant Koskinen and Weapon smith/master Aimo Johannes Lahti 1896 - 1970)).
Suomi M-31 SMG went to serial production in 1931. Most of the weapons were bought by Finnish Army: when Winter War started, the Finnish army had about one thousand of these weapons.
Stats
- Caliber: 9x19mm Luger/Para
- Weight: 4.6 kg
- Length: 870 mm
- Barrel lenght: 314 mm
- Rate of fire: 900 rpm
- Magazine capacity 20-50 rounds
- Drum capacity 36-72
- Effective range: app. 200 meters