After the war, the bayonet lug was additional to numerous M1 carbines throughout the arsenal refurbishing process. By the start from the Korean War, the bayonet lug-Outfitted M1 was standard difficulty. It's now unusual to find an unique M1 carbine with no bayonet lug. The M1 carbine mounts the M4 bayonet, which was dependant on the earlier M3 figh