After the war, the bayonet lug was extra to numerous M1 carbines throughout the arsenal refurbishing system. By the beginning from the Korean War, the bayonet lug-Geared up M1 was standard issue. Now it is unusual to find an primary M1 carbine with no bayonet lug. The M1 carbine mounts the M4 bayonet, which was determined by the sooner M3 combating