Mors submachine gun

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Mors
Mors smg.jpg
Mors (left) in the Polish Army Museum in Warsaw
Type Submachine gun
Place of origin  Poland
Service history
In service 1939
Production history
Designer Piotr Wilniewczyc
Jan Skrzypiński
Designed 1936-39
Number built 36
Specifications
Weight 4.25 kg (without magazine)
Length 970 mm
Barrel length 300 mm

Cartridge 9x19mm Parabellum
Action blowback
Rate of fire 500-550 rpm
Muzzle velocity 400 m/s (1,312 fts)
Effective firing range 440 m
Maximum firing range 600 m
Feed system 24 round magazine
Sights Adjustable Iron Sights

Pistolet maszynowy wz. 39 Mors (Mors is Latin for death, Polish for walrus) was a Polish submachine gun designed by Piotr Wilniewczyc and Jan Skrzypiński between 1936 and 1938. It was to have become the standard submachine gun of the Polish Army some time in the 1940s. However, its production was halted by the 1939 invasion of Poland and World War II.

The design was generally modelled after the German ERMA EMP-35. Common features of both was a wooden butt and forward pistol grip, the most noticeable difference was the magazine extending downwards in the Mors rather than to the left side of the ERMA. The SMG was to be issued to some of the infantry units, as well as to tank crews and boarding parties of the Polish Navy and armoured trains. Later the idea of equipping tank crews was abandoned due to its size. After extensive tests, the construction proved to be reliable and durable. The first series was ordered in March 1939 and additional purchases were planned. However, until September 1939 the Fabryka Karabinów in Warsaw produced only 39, 3 of these being the prototypes. After the start of hostilities, all were issued to one infantry battalion and were used with success during the battle for Warsaw.

Only 2 or 3 have survived: one in the Polish Army Museum in Warsaw (acquired from the Soviet Union in late 1980s), one in Russia and one probably in a Budapest museum.

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