Thompson submachine gun

Thompson Submachine Gun, Caliber .45
Thompson wi foreairm grip an drum magazine
Teep	Submachine gun
Place o oreegin	Unitit States
Service history
In service	1938–1971 (offeecially, U.S. militar) 1938–present (ither kintras)
Wars	Chaco War Banana Wars Erse Ceevil War Warld War II Indonesie Naitional Revolution Cheenese Ceevil War First Indocheenae War Greek Ceevil War Korean War Algerie War Vietnam War The Tribbles Bosnie War an numerous ithers
Production history
Designer	John T. Thompson
Designed	1917–1920
Manufacturer	Auto-Ordnance Company (originally) The Birmingham Small Arms Company Limited Colt Savage Arms RPB Industries
Produced	1921–1945
No. biggit	Approximately 1.75 million o aw variants, includin: 562,511 M1928A1 285,480 M1 539,143 M1A1
Variants	See Variants section
Specifications
Wecht	10.8 lb (4.9 kg) emptie (M1928A1) 10 lb (4.5 kg) emptie (M1A1)
Lenth	33.7 in (860 mm) (M1928A1 wi compensator) 31.9 in (810 mm) (M1/M1A1)
Baurel lenth	10.52 in (267 mm) 12 in (300 mm) (wi Cutts compensator)
Cartridge	.45 ACP (11.43×23mm)
Action	Blowback, Blish Lock
Rate o fire	600–725 rpm (M1928), 700-800 rpm (M1A1), 1500 rpm (M1919)
Muzzle velocity	935 ft/s (285 m/s)
Effective firin range	150m
Feed seestem	20-roond stick/box magazine 0.4 lb (0.2 kg) laidit 30-roond stick/box magazine 0.5 lb (0.2 kg) laidit 50-roond drum magazine 2.6 lb (1.2 kg) laidit 100-roond drum magazine (M1 an M1A1 models dae nae accept drum magazines)

The Thompson submachine gun is an American submachine gun, inventit bi John T. Thompson in 1918, that becam infamous in the Prohibeetion era, acomin a seegnatur wappen o various polis syndicates in the Unitit States.