These are used surplus Ontario Knife Company OKC3S Marine Corps Fighting Knives. All of these are in good shape, however the scabbards and the handles will show signs of wear.
Both bayonet and scabbard are manufactured by Ontario Knife company.
Bayonets are marked: "OKC 3S ONTARIO Knife Co." while the scabbards are marked "The Ontario Knife Company" and various stenciled numbers from the unit they were issued to.
These will fit M16/AR-15 rifles with bayonet lugs.
Note: The knife you get may look slightly different from the ones pictured as we have a few of these. We typically try and pick out the best ones for online orders.