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7.65×25mm Borchadt
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7.65mm Borchardt (left) with 7.63×25mm Mauser (right) for comparison
Type Pistol
Place of origin 22x20px Germany
Production history
Designer Hugo Borchardt
Specifications
Case type Rimless, bottleneck
Bullet diameter 7.86 mm (Bad rounding hereScript error in)
Neck diameter 8.46 mm (Bad rounding hereScript error in)
Shoulder diameter 9.60 mm (Bad rounding hereScript error in)
Base diameter 9.86 mm (Bad rounding hereScript error in)
Rim diameter 9.98 mm (Bad rounding hereScript error in)
Case length 25.15 mm (Bad rounding hereScript error in)
Ballistic performance
Bullet weight/type Velocity Energy
5.5 g (Bad rounding hereScript error gr) FMJ390 m/s (Bad rounding hereScript error ft/s)423 J (Bad rounding hereScript error ft·lbf)

The 7.65×25mm Borchardt cartridge was designed by Hugo Borchardt for use in his Borchardt C-93 pistol. It was the first successful rimless pistol cartridge. With a rimless, bottlenecked case using smokeless powder, the 7.65×25mm Borchardt adapted features of the 8mm cartridge used in the 1888 pattern M/88 rifle, essentially scaling it down for use in a pistol. Georg Luger also claimed to have influenced the design of the Borchardt pistol cartridge.

The Feederle brothers (Fidel, Friedrich, and Josef) used the Borchardt cartridge in their design for the Mauser C96 pistol. The Borchardt cartridge thus was the basis for the 7.63×25mm Mauser cartridge, which used the same dimensions but was eventually loaded with a stronger powder charge. By extension, the Borchardt cartridge was also the basis for the 7.62×25mm Tokarev cartridge, which was developed from the Mauser round. The 7.65×25mm Borchardt was also the basis of the 7.65×21mm Parabellum and 9×19mm Parabellum cartridges developed for the Luger pistol. The shorter case length of the 7.65×21mm Parabellum allowed for improvements in the Borchardt pistol, including a shorter stroke in the toggle mechanism as well as a smaller grip.

The 7.65×25mm Borchardt was manufactured by DWM in Germany, Eley Brothers and Kynoch in Great Britain, and Remington Arms - Union Metallic Cartridge Co. and Winchester in the United States. In many instances, the ammunition was packaged in boxes that read "For Borchardt and Mauser Automatic Pistols."

ReferencesEdit

  • Barnes, Frank C. Cartridges of the World, 3rd Edition. Digest Books, 1972, pp. 152, 177. ISBN 0-695-80326-3.
  • Goertz, Joachim and Sturgess, Geoffrey The Borchardt & Luger Automatic Pistols, Brad Simpson Publishing and G.L. Sturgess, 2010 and 2011, pp.104-138, ISBN 978-0-9727815-8-9.
  • Belford, James N. and Dunlap, Jack The Mauser Self-Loading Pistol, Borden Publishing Company, 1969, p. 16, ISBN 0-87505-108-1.

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