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9×20 mm Browning Long
File:9mm long cartridge.jpg
Type Semi-automatic pistol
Place of origin File:Flag of Belgium (civil).svg Belgium
Production history
Designer John Moses Browning
Designed 1903
Manufacturer Fabrique Nationale de Herstal
Specifications
Case type semi-rimmed, straight
Bullet diameter .356 in (Bad rounding hereScript error: No such module "Math". mm)
Neck diameter .376 in (Bad rounding hereScript error: No such module "Math". mm)
Base diameter .384 in (Bad rounding hereScript error: No such module "Math". mm)
Rim diameter .404 in (Bad rounding hereScript error: No such module "Math". mm)
Case length 20 mm (0.79 in)
Overall length 1.10 in (Bad rounding hereScript error: No such module "Math". mm)
Primer type Small pistol
Ballistic performance
Bullet weight/type Velocity Energy
110 gr (Bad rounding hereScript error: No such module "Math". g) FMJ 1,000 ft/s (Bad rounding hereScript error: No such module "Math". m/s) 240 ft·lbf (Bad rounding hereScript error: No such module "Math". J)
Source(s): Rifles and Machine Guns [1]

The 9×20 mm Browning Long is a military centerfire pistol cartridge developed in 1903 for the 9 mm Browning pistol adopted by Belgium, France, the Netherlands, and Sweden.[2] The cartridge headspaces on the rim. Ammunition was produced in Belgium, France, England, Sweden[3] and the United States. There was some production in Germany during World War I for the Ottoman Empire, and the cartridge was also used in South Africa.[4]

The cartridge is now obsolete and it is hard to find reloadable brass for this ammunition; one option handloaders have is to take the .38 ACP and shorten it to the right length.

There is reloading data available on a few websites[5] and in some handloading manuals, e.g. the Norwegian Ladeboken.[6]

Ladeboken:

  • Powder: 4.5 grains N340.
  • Bullet: 110 grains Norma JHP
  • Length: 1.09 in
  • Velocity: 815 ft/s (248) m/s

See also[]

References[]

  1. Melvin, M., Capt., USMCR. Rifles and Machine Guns, p.385. New York,: William Morrow & Company, 1944.
  2. Janson, O. "Browning pistol M1903 becomes Swedish Pistol m/1907"
  3. Janson, O. "Equipment, holsters and ammunition for m/1907"
  4. Wilson, R. K. Textbook of Automatic Pistols, pp.237–238. Plantersville, SC: Small Arms Technical Publishing Company, 1943.
  5. 9mm Browning Long loading data at Gun Loads web site
  6. Ladeboken web site


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