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Suomi KP/-31

From Internet Movie Firearms Database - Guns in Movies, TV and Video Games
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Suomi KP/-26

Suomi KP/-26 - 7.65x21mm Parabellum

The Suomi KP/-26 was the predecessor to the KP/-31, chambered in 7.65x21mm Parabellum.



  • Number built: 200-300
  • Type: Submachine Gun
  • Caliber: 7.65x21mm Parabellum & 7.63x25mm Mauser
  • Weight: 9.7 lbs (4.4 kg)
  • Length: 36.6 in (93 cm)
  • Barrel length: 13.7 in (34.9 cm)
  • Feed System: 36-round box magazine
  • Rate of Fire: 750rpm
  • Muzzle velocity: 1,250 ft/s (380 m/s)
  • Fire Modes: Semi-Auto/Full-Auto

The Suomi KP/-26 and variants can be seen in the following films, television series, video games, and anime used by the following actors:

Video Games

Title Appears as Mods Notes Date
Enlisted "Suomi KP-26" 2021

Suomi KP/-31

Suomi KP/-31 - 9x19mm Parabellum
Suomi KP/-31 - 9x19mm Parabellum. With box magazine.
Suomi KP/-31 - 9x19mm Parabellum. A variant adapted to firing from tank hatches.

The Suomi KP/-31 (aka Suomi M/31), commonly known as the Suomi submachine gun (Suomi konepistooli) in Finland, was a sub-machine gun based on the early Bergmann MP18 design. First designed in 1922, by Aimo J. Lahti, the gun was revealed to the public in 1925. The Suomi (Finnish for Finland) KP/-31 was in service in the Finnish Armed Forces from 1931 to the 1960's, and was also deployed in large numbers by other military forces during the Second World War. Some special versions stayed in service through the 1980s.

A semi-automatic model was introduced in 2009 by the TNW Company of Verona, Oregon. The TNW M31 has a few distinctions. First off, in order to pass as semi-automatic only firearm and not a converted automatic, the TNW receivers are smaller internally than the original, which prevents the fitments of a fully-automatic bolt assembly. Next, the appropriately undersized bolt is fitted with a hammer-fired firing pin, as opposed to the original’s fixed firing pin. Some early models of TNW’s M31 featured a striker fired bolt assembly, but the design was changed over to a hammer fired setup for reliability. The TNW M31 fires from a closed bolt, rather than an open bolt as on the original KP/-31. The barrel was lengthened to 18.75″ in order to meet both US and Canadian legal standards.

While somewhat similar in appearance and shape to the Soviet PPD-40 and PPSh-41, the KP/-31 is not functionally related to the two. However, Soviet experiences against the KP/-31's 71-round drum magazine during the Winter War did inspire the drum mags that would later be used on their own PPD-40s and PPSh-41s; this is the only significant relation between the designs.


(1931 – 1945) (original version) (1931 – 1953) (various variants)

  • Number built: 80,000
  • Type: Submachine Gun
  • Caliber: 9x19mm Parabellum
  • Weight: 10.4 lbs (4.7 kg)
  • Length: 34.3 in (87 cm)
  • Barrel length: 12.6 in (32 cm)
  • Feed System: 20, 36, 50-round box magazine, 40 or 71-round drum magazine
  • Rate of Fire: 900rpm
  • Muzzle velocity: 1,310 feet per second (400 metres per second)
  • Fire Modes: Semi-Auto/Full-Auto

The Suomi KP/-31 and variants can be seen in the following films, television series, video games, and anime used by the following actors:


Title Actor Character Notes Date
In the Rear of the Enemy (V tylu vraga) Finnish soldiers 1941
The Girl from Leningrad (Frontovye podrugi) Finnish soldiers 1941
Fighting Film Collection No. 1 (Boyevoy kinosbornik No. 1) A German officer 1941
Fighting Film Collection No. 3 (Boyevoy kinosbornik No. 3) German paratroopers 1941
Fighting Film Collection No. 4 (Boyevoy kinosbornik No. 4) German soldiers 1941
Fighting Film Collection No. 7 (Boyevoy kinosbornik No. 7) Vladimir Kantsel Josef Švejk 1941
Sergei Blinnikov Ludwig
SS guards in concentration camp
The Murderers are Coming (Ubiytsy vykhodyat na dorogu) Oleg Zhakov The Nazi German Captain 1942
Viktor Kulakov Nazi German soldier
Aleksandr Antonov Müller
Aleksandra Danilova Female partisan
Uncredited Pet'ka
Lad from Our Town (Paren iz Nashego Goroda) Valeriy Medvedev Pet'ka Volzhanin 1942
Antosha Rybkin Red Army soldiers 1942
We Will Come Back (Sekretar raykoma) Boris Poslavsky Semyon Rotman 1942
Mikhail Kuznetsov Sasha Rusov
Aleksandr Antonov Potapenko
Soviet partisans
Elusive Jan (Neulovimyy Yan) Evgeniy Samoylov Jan Smudek 1942
Fighting Film Collection No. 10 (Boyevoy kinosbornik No. 10) A German soldier 1942
Fighting Film Collection No. 11 (Boyevoy kinosbornik No. 11) Soviet partisans 1942
Fighting Film Collection No. 12 (Boyevoy kinosbornik No. 12) Evgeniy Nemchenko Lt. Krotov 1942
Anatoliy Alekseev Pyotr
Georgiy Georgiu A German soldier
Soviet soldiers and partisans, German soldiers
Our Girls (Nashi devushki) Seen in Soviet dugout 1942
Invincible (Nepobedimye) Aleksandr Khvylya Dmitri Pronin 1943
Boris Blinov Bondaretz
In the Name of the Fatherland (Vo imya Rodiny) Soviet soldiers 1943
The Last Chance An Italian partisan with stick magazine 1945
The Turning Point (Velikiy perelom) Vladimir Maryev Lt. Fyodorov 1945
Pavel Volkov Yefreytor Stepan
The Unknown Soldier Reino Tolvanen Cpl. Rokka 1955
Finnish soldiers
Face of the Frog A British police officer with stick magazine 1959
Reptilicus Carl Ottosen Gen. Mark Grayson Husqvarna m/37-39 1961
Danish soldiers
Strike First Freddy (Slå først Frede!) Ove Sprogøe Agent Smith Husqvarna m/37-39 1965
Kolick's henchmen
The Olsen Gang in a Fix Mozerella's trenchcoat thugs Husqvarna m/37-39 1969
Peter Steen Inspector Mortensen
Long Live Your Death Franco Nero Dmitri Vassilovich Orlowsky Hispano-Suiza MP43/44 mocked-up as a Machine Gun 1971
Mexican soldiers
Cuba Cuban guerillas With stick magazines 1979
The Unknown Soldier Pirkka-Pekka Petelius Hietanen 1985
Paavo Liski Cpl. Rokka
Finnish soldiers
The Winter War Finnish troops 1989
The Warrior's Heart Finnish troops 1992
Ambush (Rukajärven tie) Finnish troops 1999
The Cuckoo Finnish officer 2002
Beyond the Front Line Finnish soldiers 2004
Tali-Ihantala 1944 Finnish troops 2007
Max Manus: Man of War Aksel Hennie Max Manus 2008
Finnish soldiers
Flame and Citron Mads Mikkelsen Jørgen 'Citron' Haagen Schmith Husqvarna m/37-39 2008
Danish nazis and resistance fighters
Land of Mine Danish soldier with stick magazine 2015
The Unknown Soldier Eero Aho Corporal Antero Rokka wit stick und drum magazines 2017
Johannes Holopainen 2nd Lieutenant Kariluoto
Jussi Vatanen Lieutenant Jussi Vatanen
Hannes Suominen Private Vanhala
Eemeli Louhimies Private Asumaniemi
Finnish soldiers


Title Actor Character Notes / Episode Date
The War Game . East German soldier . 1965
Hetaeras of Major Sokolov (Getery mayora Sokolova) Finnish soldiers 2014
Babylon Berlin - Season 1 Soviet counter revolutionaries Episode 1 2017

Video Games

Title Appears as Mods Notes Date
Forgotten Hope 2003
FinnWars 2006
Forgotten Hope 2 KP/-31 and KP/-31 SJR variants 50-round (KP/-31 SJR) and 71-round (KP/-31) magazines 2007
Deadfall Adventures 2013
World of Guns: Gun Disassembly Suomi KP/-31 2014
Hot Dogs, Horseshoes & Hand Grenades 2016
Battlefield V "Suomi KP/-31" 2018
Vigor 2018
Enlisted "Suomi KP/-31" 2021
"Suomi KP/-31 SJR"


Title Character Notes Date
Night Raid 1931 Soldier 2010
Brave Witches Nikka Katajainen 2016-2017

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