Tommy Gun M1928

TOMMY GUN

Type	Submachine gun
Place of origin	United States
Service history
In service	1938–1971 (officially, U.S. military)
Used by	See Users
Wars	World War II Korean War Vietnam War
Production history
Designer	John T. Thompson
Designed	1917–1920
Manufacturer	Auto-Ordnance Company (originally) Birmingham Small Arms Colt Savage Arms
Produced	1921–present
Number built	1,700,000 approx.
Variants	Persuader & Annihilator prototypes, M1921, M1921AC, M1921A, M1927, M1928, M1928A1, M1, M1A1
Specifications
Weight	10.8 lb (4.9 kg) empty (M1928A1) 10.6 lb (4.8 kg) empty (M1A1)
Length	33.5 in (851 mm) (M1928A1) 32 in (813 mm) (M1A1/M1) barrel 10.5 in (267 mm) barrel with optional Cutts Compensator 12 in (305 mm)
Cartridge	.45 ACP (11.43 × 23 mm)
Action	Blowback, Blish Lock
Rate of fire	600–1200 rpm, depending upon model
Muzzle velocity	285 m/s (935 ft/s)
Effective range	50 metres (160 ft)
Feed system	20-round stick/box magazine 30-round stick/box magazine 50-round drum magazine 100-round drum magazine (M1 and M1A1 models do not accept drum magazines)