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Glock 19 vs P320C

bastard of who?

Georg Luger developed his 7.62x51mm Parabellum from the earlier 7.62x25mm Borchardt. Germany requested a larger caliber for their military sidearm, so Luger removed the bottleneck shape of the 7.65×21mm Parabellum case, resulting in a tapered rimless cartridge encasing a bullet that was 9mm in diameter. 9mm wasn't chosen as the bullet caliber, it's just what it worked out to be.
 
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