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KIS was the name of a Polish submachine gun from the time of the Second World War. It was designed and manufactured by engineers in Jan Piwnik's "Ponury" ("Grim") guerrilla unit that was operating in Holy Cross Mountains region.
KIS and Błyskawica submachine guns
|Place of origin||Poland|
|In service||1943 to 1945|
|Produced||1943 to 1944|
|Barrel length||220 mm|
|Cartridge||9 mm Luger|
|Rate of fire||?? round/min|
|Muzzle velocity||1,100 ft/s (335.36 m/s)|
|Effective firing range||100 m|
|Feed system||32 rounds|
The weapon was patterned after Sten, retaining its left-side magazine. Main differences were a longer barrel, with conical rear part, and lack of stock – the gun had a pistol grip instead.
- "Home Made Arsenal – Nine Ingenious Weapons of the Polish Underground". Military History Now. 7 April 2014. Retrieved 16 May 2017.
- Kazimierz Satora - "Produkcja Uzbrojenia w Polskim Ruch Oporu 1939-45", Warszawa 1985
- Kazimierz Satora "Podziemne zbrojownie polskie 1939-1944", Dom Wydawniczy Bellona, Warszawa 2001
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