[1] It later served as the basis for the 7.62mm Tokarev cartridge commonly used in Soviet and Eastern Bloc weapons.

Several Soviet pistol and submachine gun developments of the late 1920s were designed to use the 7.63mm Mauser cartridge.

[4] This became important later during World War II on the Eastern Front when the Germans began using captured 7.62×25mm weapons, notably the PPSh-41 and PPS, and fed them with 7.63mm Mauser rounds.

Reloadable boxer-primed cartridge cases can be formed from 9mm Winchester Magnum by simply resizing and trimming.

These cases bulge slightly on firing, and proper Mauser stripper clips are squeezed in a vise to secure an adequate grip on the smaller rims.