The Ontario Knife OKC3S Marine Bayonet is used and issued exclusively to the United States Marine Corps. This knife is unique in the fact that the blade is constructed using a thick proprietary blend of carbon steel. It has a non-reflective finish and ergonomically grooved Dynaflex handle to reduce hand fatigue. Situated in New York State's scenic Southern Tier, Ontario Knife Company produces one of the most comprehensive, wide-ranging product lines in the cutlery industry today. While being a worldwide supplier, the Ontario Knife Company is also a major supplier to the U.S. Government and its military. Ontario has built its reputation on a heritage of uncompromising craftsmanship, quality materials and components, and a steadfast commitment to its workforce