M1 GARAND LEATHER RIFLE SLING MARKED BOYT 42

This is an original standard issue 1907 pattern sling used on the 1903 Springfield rifle and the M1 Garand Rifle made famous as the standard rifle of the U.S. military from WW2 to just before Vietnam. 

M1907 WWII leather sling maker marked BOYT and dated 1942. 

The M1907 Sling was adopted for use with the M1 Garand rifle in 1936.  The M1907 Sling was also utilized with the Winchester M1897 trench gun during WWI and on all WWII Winchester, Stevens, Ithaca, etc trench guns and riot guns equipped with slings.