 9×21mm

The 9×21mm pistol cartridge (also known as the 9×21mm IMI or 9 mm IMI or 9x21mm Italian or 9mm Italian) was designed by Jager (Loano, Italy), then adopted and commercialised by Israel Military Industries for those markets where military service cartridges, like the 9×19mm Parabellum, are banned by law for civilian use (such as in Italy).Based on the 9×19mm Parabellum cartridge, the case was lengthened from .