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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.
Auto-Ordnance Corporation was created by John T. Thompson in August 1916 with the backing of investor Thomas Ryan. In 1915 Thompson had found the Blish Lock patent of Commander John Blish, which was the operating principle of the first prototypes of the Thompson submachine gun and the Thompson Autorifle. In exchange for shares of the newly ...
Any real advantages to the system were far outweighed by the additional cost of manufacture associated with the device. Also, in the Thompson submachine gun the H-shaped bronze lock connects the bolt actuator to the bolt body; incorrect installation of the Blish lock can render a Thompson inoperable upon firing.
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]
Headstamp for the .45 Remington-Thompson cartridge. The .45 Remington–Thompson (11.4x25mm) was an experimental firearms cartridge designed by Remington Arms and Auto Ordnance for the Model 1923 Thompson submachine gun, a variant of the Model 1921 with a longer barrel, with the intent of increasing the power and range of the weapon.
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).
The overall weapon was based on the Thompson Submachine Gun, which Hyde drew inspiration from in many of his weapon designs. An original .30 Carbine based on the M1921/27 variants worked well. However, due to the rising production during World War II , the initial design was too expensive for mass production, and its weight defied the concept ...
Thompson Autorifle Model 1923 (top) and SMG Model 1921. The Thompson Autorifle, (also referred to as the Thomoson Model 1923 Autoloading Rifle; and the .30-06 Model 1923 Semi-Automatic Rifle, among others, etc.) was a semi-automatic rifle that used a Blish Lock to delay the action of the weapon.