Once the war, the bayonet lug was added to many M1 carbines during the arsenal refurbishing procedure. By the start on the Korean War, the bayonet lug-equipped M1 was standard issue. It is now unusual to find an initial M1 carbine without the bayonet lug. The M1 carbine mounts the M4 bayonet, which was determined by the earlier M3 preventing knife … Read More