One of the first semi-automatic pistol cartridges, developed for the Bergmann pistol of 1894; an early step in the development of the self-loading handgun.
Type: Pistol
Introduced: 1894, Germany
Parent case: Proprietary
Standardization: Proprietary
Bullet diameter: 0.318" (8.08 mm)
Rim type: Rimless
Primer: Boxer Small Pistol
Production status: Discontinued
Also known as: 8mm Bergmann · 8x22mm Bergmann · Bergmann No.3
History: Developed by Theodor Bergmann in 1894 for his prototype semi-automatic pistol, the 9mm Bergmann No.3 (actually approximately 8mm) is among the earliest purpose-designed semi-automatic pistol cartridges ever produced. The Bergmann pistol was a landmark firearm in the development of the self-loading handgun, and this cartridge is a historically significant collector's item.