7.65x25mm Borchardt
Encyclopedia
The 7.65×25mm Borchardt cartridge was designed by Hugo Borchardt
Hugo Borchardt
Hugo Borchardt was a firearms inventor and engineer, born in Magdeburg, Germany. He is known for his inventions of the Borchardt C-93 pistol and the Sharps-Borchardt Model 1878 rifle....

. It was the ammunition of the Borchardt C-93
Borchardt C-93
The Borchardt C-93 pistol was designed by Hugo Borchardt in 1893. Ludwig Loewe & Company of Berlin, Germany, a manufacturer of machine tools, produced the C-93, a semi-automatic pistol that he had invented based upon the Maxim toggle-lock principle. He also developed the 7.65×25mm Borchardt...

 pistol. This cartridge provided the basis for the 7.63×25mm Mauser
7.63×25mm Mauser
The 7.63×25mm Mauser round was the original ammunition of the Mauser C96 service pistol. This cartridge headspaces on the shoulder of the case. The basis of this cartridge was the 7.65×25mm Borchardt cartridge of 1893, the only successful automatic pistol cartridge in production at the time...

 cartridge, which has similar dimensions but a stronger powder charge. This cartridge was also the basis of the 7.65×21mm Parabellum
7.65×21mm Parabellum
The 7.65×21mm Parabellum is a pistol cartridge that was introduced in 1898 by German arms manufacturer Deutsche Waffen und Munitions Fabriken for their new Pistol Parabellum...

, 7.62×25mm Tokarev, and 9×19mm Parabellum cartridges.
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