Jukebox Cartridge Machine M1 Carbine Development history Limitations of weapons in the U.S. arsenal During the 1920s, the U.S. Army had sought a handier semi-automatic rifle in a lighter caliber to replace the bolt-action M1903 rifle chambered for the same powerful .30-06 Springfield standard round used in the BAR and the M1917/M1919 machine guns. U.S. [...]