7.65×20mm cartridge (steel case and steel jacketed bullet).
|Type||Rifle and Pistol|
|Place of origin||United States|
|Used by||United States, France, Germany, Vietnam|
|Case type||Rimless, straight|
|Bullet diameter||7.85 mm (0.309 in)|
|Neck diameter||8.50 mm (0.335 in)|
|Base diameter||8.53 mm (0.336 in)|
|Rim diameter||8.50 mm (0.335 in)|
|Case length||19.70 mm (0.776 in)|
|Overall length||30.24 mm (1.191 in)|
|Primer type||Small pistol|
The 7.65×20mm Longue (also known as 7.65mm French Longue, 7.65 mm Long, 7.65mm MAS, 7.65×20mm, and 7.65L) was a straight, rimless cartridge used in the French Modèle 1935 pistol, as well as the MAS-38 submachine gun. The cartridge was developed for the United States and secretly produced in quantity too late for its intended use during World War I. The United States scrapped the weapons built for the cartridge between the world wars. France adopted weapons for the cartridge and those weapons saw combat use; so the cartridge is best known by its French name.
The French military were introduced to the cartridge when the US demonstrated the Pedersen device after the end of World War I in Le Mans and again when John Browning exhibited a carbine in the same caliber in 1920. The US .30 Pedersen cartridge (Auto Pistol Ball Cartridge caliber .30 Model of 1918 or .30-18 Automatic) used in the Pedersen device was the basis for the 7.65×20mm Longue. The cartridge dimensions were identical, although Pedersen device cartridges were loaded with a slightly heavier 80 grains (5.2 g) bullet which achieved a velocity of 1,300 feet (400 m) per second in the longer barrel of M1903 Springfield rifles.
- Barnes, Frank C. Cartridges of the World 3rd Edition, 1972 Digest Books, ISBN 0-695-80326-3
- Sharpe, Philip B. The Rifle in America 1958 Funk & Wagnalls, New York
- Hatcher, Julian S. Hatcher's Notebook 1966 Stackpole Books, Harrisburg, Pennsylvania, ISBN 0-8117-0795-4
- ↑ 1.0 1.1 1.2 Canfield, Bruce N. (2003). "Never in Anger: the Pedersen Device". National Rifle Association. pp. 58–61&71.
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