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The M1A1 Thompson submachine gun on display at the Virginia War Museum. The M1A1, standardized in October 1942 as the United States Submachine Gun, Cal. .45, M1A1, could be produced in half the time of the M1928A1, and at a much lower cost. The main difference between the M1 and M1A1 was the bolt.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Thompson_SMG&oldid=17515473"This page was last edited on 13 May 2005, at 01:16 (UTC). (UTC).
In the later 1920s, there was some limited progress: around 1926, Cutts compensator became an option in the Thompson SMG (R. M. Cutts' earliest patent is from 1925 [7]), in 1927 Škoda patented [8] a family of muzzle brake designs, one of which was used on 8 cm kanon vz. 28, and in 1928, Schneider et Cie (which was allied with Škoda at the ...
In firearms, a blowback system is generally defined as an operating system in which energy to operate the firearm's various mechanisms, and automate the loading of another cartridge, is derived from the inertia of the spent cartridge case being pushed out the rear of the chamber by rapidly expanding gases produced by a burning propellant, typically gunpowder. [3]
A blowout preventer (BOP) (pronounced B-O-P) [1] is a specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowouts, the uncontrolled release of crude oil or natural gas from a well. They are usually installed in stacks of other valves.
The M1911 design is a popular example of a handgun with a grip safety, [2] while the Uzi submachine gun and the HS2000 (marketed in the US as the Springfield Armory XD) and its descendants are other notable examples of this type of safety. Dan Wesson 1911-style Patriot pistol with a grip safety lever protruding at the back of the grip
Gaskets allow for "less-than-perfect" mating surfaces on machine parts where they can fill irregularities. Gaskets are commonly produced by cutting from sheet materials. Given the potential cost and safety implications of faulty or leaking gaskets, it is critical that the correct gasket material is selected to fit the needs of the application. [3]
The United Defense M42, sometimes known as the Marlin for the company that did the actual manufacturing, was an American submachine gun used during World War II.It was produced from 1942 to 1943 by United Defense Supply Corp. for possible issue as a replacement for the Thompson submachine gun and was used by Office of Strategic Services (OSS) agents. [1]