Thompson submachine gun

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Thompson submachine gun

A .45-caliber submachine gun having a wooden stock and a box or drum magazine.

[After John Taliaferro Thompson (1860-1940), American army officer.]

Thomp′son submachine′ gun`

a.45-caliber automatic weapon designed to be fired from the shoulder or hip.
Also called Tommy gun.
[1920–25; after John T. Thompson (1860–1940), American army officer who aided in its invention]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Thompson submachine gun - a .45-caliber submachine gunThompson submachine gun - a .45-caliber submachine gun  
submachine gun - machine gun that is a portable automatic firearm
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References in periodicals archive ?
It's very difficult to locate an M1 Thompson with its original bolt group.
C) The rear sight on the M1 Thompson was a simple bent piece of steel with an aperture drilled in it.
First on show is the M1 Thompson submachine gun, which can fire up to 750 rounds per minute.
38 and an M1 Thompson SMG liberated from a burned-out U.
Having owned the M1 Thompson for about 18 months now I'm getting a bit more practiced in holding it on target.
It comes with two operating springs, a hard one that ran 816 rpm in a World War II M1 Thompson and a softer spring that yielded 761 rpm in the same gun.
Since the nominal rate of fire of an M1 Thompson is about 800 rpm, could that be correct?
The standard issue pistol at the time the M1 Thompson and M3 grease gun were being used was the Model 1911A1, but the US Army also had large numbers of earlier Model 1911s on hand.