7.65×21mm Parabellum
The 7.65×21mm Parabellum (designated as the 7,65 Parabellum by the C.I.P. and also known as .30 Luger and 7.65mm Luger) is a rimless, bottleneck, centerfire pistol cartridge that was introduced in 1898 by German arms manufacturer Deutsche Waffen- und Munitionsfabriken (DWM) for their new Pistol Parabellum. The primary developers of the pistol cartridge were firearms designers Georg Luger and Hugo Borchardt, who developed the round from the earlier 7.65×25mm Borchardt while working at DWM. == Development == In 1897, the C-93 Borchardt pistol was submitted for testing to the Swiss Military Trials Committee.