Introduced in 1964, the original M7 Bayonet was used by U.S. troops with their M16 rifles during the Vietnam War. This Ontario M7 Bayonet is an identical military-spec brand-new version with a modern manufacture date. 1080 high carbon steel 6.6 inch spear-point bayonet blade with black oxide finish Sharpened upper edge Black polymer handle, steel guard and pommel Molded plastic belt sheath