30 carbine

The .30 Carbine (7.62×33mm) is the cartridge used in the M1 Carbine introduced in the 1940s. It is a light rifle round designed to be fired from the M1. he .30 Carbine (7.62×33mm) is the cartridge used in the M1 Carbine introduced in the 1940s. It is a light rifle round designed to be fired from the M1 carbine’s 18-inch barrel.