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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 ...
Auto-Ordnance was a U.S. arms development firm founded by retired Colonel John T. Thompson of the United States Army Ordnance Department in 1916. [1] Auto-Ordnance is best known for the Thompson submachine gun , used as a military weapon by the Allied forces in World War II , and also notorious as a gangster weapon used during the Roaring ...
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 ...
If drum magazines were mixed and used with different serial-numbered PPSh-41, a loose fitting could result in poor retention and failure to feed. Drum magazines were superseded by a simpler PPS-42 box-type magazine holding 35 rounds, although an improved drum magazine made from 1 mm thick steel was also introduced in 1944. [17]
All four branches reported malfunctions caused by the magazine, mostly attributed to defective or jammed magazine followers. [12] The T20 was formally approved by U.S. Army Ordnance for production at GM's Guide Lamp Division in Anderson, Indiana, in December 1942 as the U.S. Submachine Gun, Caliber .45, M3. [12]
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 ...
Thompson Light Rifle: Auto Ordnance .30 Carbine United States: no 1941 Thompson .351 WSL Variant: Auto Ordnance .351 Winchester Self-Loading United States: no 1926 VAHAN: 5.45×39mm Armenian SSR: 1952 Valmet M76: Valmet: 5.56×45mm NATO 7.62×39mm Finland: 1970s Valmet M82: Valmet: 5.56×45mm NATO 7.62×39mm Finland: 1978-1986 VB Berapi LP06 ...
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.