Lanchester submachine gun
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The Lanchester is a submachine gun manufactured by the Sterling Armaments Company between 1941 and 1945. It is an evolution from MP28/II and was manufactured in two versions, Mk.1 and Mk.1*; the latter was a simplified version of the original... Wikipedia
Action: Blowback, Open bolt
Cartridge: 9×19mm Parabellum
Effective firing range: 150 m (490 ft)
Feed system: 32- or 50-round detachable box magazine
In service: 1941–1960
Length: 33.5 in (850.9 mm)
Manufacturer: Sterling Armaments Company