Following the war, the bayonet lug was included to several M1 carbines during the arsenal refurbishing system. By the beginning of the Korean War, the bayonet lug-Outfitted M1 was standard challenge. It's now exceptional to find an initial M1 carbine without the bayonet lug. The M1 carbine mounts the M4 bayonet, which was based upon the sooner M3 f