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20 or 30 round box magazine, 50 or 100 round drum magazine [24] (M1 and M1A1 models do not accept drum magazines) The Thompson submachine gun (also known as the " Tommy gun ", " Chicago typewriter ", or " trench broom ") is a blowback-operated , selective-fire submachine gun , invented and developed by Brigadier General John T. Thompson , a ...
Thompson submachine gun users frequently taped two 20-round magazines together to speed reloads and compensate for the limited capacity. This spurred official development of the 30-round Thompson magazine, which included the experiment of welding two 20-round magazines face-to-face (dropped in favor of the 30-round magazine).
The Thompson submachine gun ("Tommy gun") used a drum magazine in its classic form, but the drum magazines for this weapon were abandoned on the World War II models. [9] The M1921 Thompsons could accommodate either 20-round box magazines or 50-round cylindrical drum magazines; the latter were known as "L drums" because "L" is the Latin numeral ...
It succeeded at both goals, but it was almost immediately replaced by the cheaper grease gun. Used 20-round or 30-round Thompson magazines. M3 and M3A1 submachine gun: Submachine gun Close-quarters, personal security: Blowback, open bolt United States: General Motors.45 ACP: 91 450 1943 655363 3.61-3.70 30-round magazine. M50 Reising submachine ...
20 or 30-round Thompson submachine gun box magazines The Hyde-Inland M2 was a United States submachine gun design submitted for trials at Aberdeen Proving Ground in February 1941. Work was undertaken by General Motors Inland Manufacturing Division to develop workable prototypes of George Hyde 's design patented in 1935 ( U.S. patent 2049776A ).
Many drum-fed firearms can also load from conventional box magazines, such as the Soviet PPSh-41 submachine gun, RPK light machine gun, and the American Thompson submachine gun. The term "drum" is sometimes applied to a belt box for a belt-fed machine gun, though this is just a case that houses a length of ammunition belt, not a drum magazine.
The design is very similar to the German TM 08 snail magazine, which was used in the Luger P08 pistol and MP-18 submachine gun. Apparently the gun could also use a box magazine with a capacity of around 20-30 rounds, which looks very similar to the box magazine of a Thompson submachine gun. [2]
The M3 is an American .45-caliber submachine gun adopted by the U.S. Army on 12 December 1942, as the United States Submachine Gun, Cal. .45, M3. [13] The M3 was chambered for the same .45 ACP round fired by the Thompson submachine gun, but was cheaper to mass produce and lighter, at the expense of accuracy. [13]