Type	Submachine gun
Place of origin	United States

Service history

In service	1942-1945
Wars	World War II Chinese Civil War

Production history

Designer	Carl G. Swebilius
Manufacturer	United Defense Supply Corp.
Produced	1942–1943
No. built	15,000

Specifications

Mass	4.54 kg (10.0 lb)
Length	820 mm (32.3 in)
Barrel length	279 mm (11.0 in)
Caliber	9×19mm Parabellum .45 ACP
Action	Blowback
Rate of fire	700 rpm
Muzzle velocity	1,100 ft/s (335.3 m/s)
Feed system	25-round box magazine
Sights	fixed front post, rear adjustable for windage