Although early Lugers ended up chambered in 7.65x21mm, a .thirty caliber rimless bottleneck cartridge also invented by Herr Luger, navy shoppers were hungry for any spherical which has a bit a lot more umpf. This resulted in a fatter, 9mm bullet over a shorter, 19mm long case that at the same time labored far better during the Luger pistol.Closely