M3

M3

Type	Submachine gun
Place of origin	United States
Service history
In service	1942–1992 (US) Philippines (Revived 2004-)
Used by	See Users
Wars	World War II Chinese Civil War Korean War, Bay of Pigs Incident Vietnam, Argentine Dirty War Falklands War
Production history
Designer	George Hyde
Designed	1942
Manufacturer	General Motors, others
Unit cost	Approx. US$20 (1943)
Produced	1943–1945
Number built	~700,000
Variants	M3A1 PAM1 PAM2
Specifications
Weight	M3 (empty): 8.15 lb (3.70 kg) M3A1 (empty): 7.95 lb (3.61 kg)
Length	29.8 in (760 mm) stock extended / 22.8 in (579.1 mm) stock collapsed
Barrel length	8 in (203.2 mm)
Cartridge	.45 ACP 9x19mm Parabellum
Action	Blowback, open bolt
Rate of fire	450 rounds/min cyclic
Muzzle velocity	920 ft/s (280 m/s)
Effective range	Sights fixed to 100 yards (91 m)
Feed system	30-round detachable box magazine
Sights	Fixed rear peep sight and blade foresight, calibrated to 100 yards for caliber .45 M1911 ball ammunition