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Suomi KP/-31: Difference between revisions
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[[File:SuomiM31.jpg|right|thumb|400px|Suomi KP/-31 - 9x19mm Parabellum]] | [[File:SuomiM31.jpg|right|thumb|400px|Suomi KP/-31 - 9x19mm Parabellum]] | ||
[[File:Suomi | [[File:Suomi KP-31 stick.jpg|right|thumb|400px|Suomi KP/-31 - 9x19mm Parabellum. With box magazine.]] | ||
[[File: | [[File:Suomi KP-31 czołgowy.jpg|right|thumb|400px|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. | 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. | ||
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=Specifications= | =Specifications= | ||
(1931 – 1945) (original version) | (1931 – 1945) (original version) | ||
(1931 – 1953) (various variants) | (1931 – 1953) (various variants) | ||
* '''Number built:''' 80,000 | * '''Number built:''' 80,000 | ||
* '''Type:''' Submachine Gun | * '''Type:''' Submachine Gun | ||
* '''Caliber:''' 9x19mm Parabellum | * '''Caliber:''' 9x19mm Parabellum | ||
* '''Weight:''' {{convert|kg|4.7}} | * '''Weight:''' {{convert|kg|4.7}} | ||
* '''Length:''' {{convert|mm|870}} | * '''Length:''' {{convert|mm|870}} | ||
* '''Barrel length:''' {{convert|mm|320}} | * '''Barrel length:''' {{convert|mm|320}} | ||
* '''Feed System:''' 20, 36, 50-round box magazine, 40 or 71-round drum magazine | * '''Feed System:''' 20, 36, 50-round box magazine, 40 or 71-round drum magazine | ||
* '''Rate of Fire:''' 900rpm | * '''Rate of Fire:''' 900rpm | ||
* '''Muzzle velocity:''' 1,310 feet per second (400 metres per second) | * '''Muzzle velocity:''' 1,310 feet per second (400 metres per second) | ||
* '''Fire Modes:''' Semi-Auto/Full-Auto | * '''Fire Modes:''' Semi-Auto/Full-Auto | ||
----- | ----- | ||
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* '''Number built:''' 200-300 | * '''Number built:''' 200-300 | ||
* '''Type:''' Submachine Gun | * '''Type:''' Submachine Gun | ||
* '''Caliber:''' 7.65x21mm Parabellum & 7.63x25mm Mauser | * '''Caliber:''' 7.65x21mm Parabellum & 7.63x25mm Mauser | ||
* '''Weight:''' {{convert|kg|4.42}} | * '''Weight:''' {{convert|kg|4.42}} | ||
* '''Length:''' {{convert|mm|930}} | * '''Length:''' {{convert|mm|930}} | ||
* '''Barrel length:''' {{convert|mm|349}} | * '''Barrel length:''' {{convert|mm|349}} | ||
* '''Feed System:''' 36-round box magazine | * '''Feed System:''' 36-round box magazine | ||
* '''Rate of Fire:''' 750rpm | * '''Rate of Fire:''' 750rpm | ||
* '''Muzzle velocity:''' 1,250 ft/s (380 m/s) | * '''Muzzle velocity:''' 1,250 ft/s (380 m/s) | ||
* '''Fire Modes:''' Semi-Auto/Full-Auto | * '''Fire Modes:''' Semi-Auto/Full-Auto | ||
----- | ----- | ||
Latest revision as of 06:53, 13 March 2023
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.
Specifications
(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:
Film
| Title | Actor | Character | Note | 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 | |||
| 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 |
Television
| Show Title / Episode | Actor | Character | Note | Air 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
| Game Title | Appears as | Mods | Notation | Release 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 |
Anime
| Title | Character | Note | Date |
|---|---|---|---|
| Night Raid 1931 | Soldier | 2010 | |
| Brave Witches | Nikka Katajainen | 2016-2017 |
Suomi KP/-26
The Suomi KP/-26 was the predecessor to the KP/-31, chambered in 7.65x21mm Parabellum.
Specifications
(1926)
- 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
| Game Title | Appears as | Mods | Notation | Release Date |
|---|---|---|---|---|
| Enlisted | 2021 |