After the war, the bayonet lug was added to numerous M1 carbines over the arsenal refurbishing approach. By the beginning in the Korean War, the bayonet lug-equipped M1 was standard challenge. Now it is exceptional to find an first M1 carbine with no bayonet lug. The M1 carbine mounts the M4 bayonet, which was based upon the sooner M3 preventing kn