Ontario Knife OKC3S Bayonet, 6504

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Product Overview

Ontario Knife OKC 3S Bayonet, 6504 FREE SHIPPING

The Ontario Knife 6504 OKC 3S Bayonet is a fixed blade bayonet and one of the few American made bayonets available today AND is sold to the United States Marine Corps. The 8" combination edge blade is solid with a .200" blade thickness and a flat bevel with secondary flat bevel grind and an HRC of 55-57. A zinc phosphate finish over the 1095 carbon steel blade is sure to keep the blade of this Ontario Knife 6504 OKC 3S Bayonet sharp and in good working condition. The Ontario Knife 6504 OKC 3S Bayonet is complimented by a little over 5" modified brown Hytrel® handle. The Ontario Knife 6504 OKC 3S Bayonet is a bit larger than the M7 Bayonet and comes in at 13.3" in overall length. The Ontario Knife 6504 OKC 3S Bayonet comes complete with a tan Molle Compatible Sheath.

Ontario Knife 6504 OKC 3S Bayonet Snapshot:

  • OKC 3S Bayonet Blade Length: 8""
  • OKC 3S Bayonet Thickness: .200"
  • OKC 3S Bayonet Blade Grind: Flat Bevel w/secondary flat bevel
  • OKC 3S Bayonet Blade Material: 1095 Carbon Steel
  • OKC 3S Bayonet Blade Finish: Zinc Phosphate
  • OKC 3S Bayonet Blade HRC/Hardness: 55-57 HRC
  • OKC 3S Bayonet Handle Material: Hytrel
  • OKC 3S Bayonet Handle Length: 5.3"
  • OKC 3S Bayonet Handle Color: Brown
  • OKC 3S Bayonet Overall Length: 13.3"
  • OKC 3S Bayonet Carry System: Tan Molle Compatible Sheath

The Ontario Knife OKC 3S Bayonet is made in the U.S.A.

A note from Ontario Knife about their Bayonets: "Ontario Knife Company is one of the few remaining American bayonet manufacturers and the sole source of the combat deployed OKC3S bayonet. Complementing our legacy of military issued bayonets, which include the M9 and the storied M7, Ontario Knife's tactical blades include the Air Warrior Program's ASEK survival knife, the Freedom Fighter, OKC's Kukri, and the Navy-issued Mark III."


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  • 4
    Marine bayonet

    Posted by Jerry Jocoymar on Oct 14th 2020

    It's a good-looking well-made bayonet but it does not come very sharp probably worse than most machetes come but I put a good Edge on it but as soon as I got it I haven't been able to get it razor sharp like I like it though. That's the only reason I gave it four out of five stars...

  • 5
    Excellent material, workmanship. Very pleased.

    Posted by Daniel E Betts on Sep 12th 2020

    Will recommend to others.

  • 5

    Posted by W L Larry Oliver on Sep 11th 2020

    Exactly as described! Dual useage as a bayonet and knife!!

  • 5
    OKC 3S Bayonet

    Posted by Andrew on Jul 14th 2020

    Awesome knife/bayonet, and I say that because this one truly serves as both. Strong heavy blade, but feels light in hand due to balance. This blade came hair shaving sharp and with a little work it became hair popping sharp. The handle is comfortable and has a great feel in hand to maintain control. The best I personally own so far. This is a knife made to work and last on long time with care. My only complaint was the higher price compared to most places online. But for what I have it's still worth the extra change.

  • 5
    Quality blade

    Posted by Christopher Trojacek on Jun 12th 2020

    I've owned several of these over the years. I've used them hard and they last. Quality blade at a reasonable price.

  • 5
    Brings back memories

    Posted by Daniel on Jun 11th 2020

    Back in late 2005 is when I was issued this bayonet. While in the USMC, I used this bayonet for a lot of things from opening cans, cutting through stacked items to cutting down thumb sized branches. it never let me down. It came through during my last OIF deployment and I finally own one. I recommend this knife.

  • 5
    Great bayonet

    Posted by Taylor Edmonds on Jun 10th 2020

    Great craftsmanship, well balanced, and very sharp.

  • 4
    Skip Godot

    Posted by Skip Godot on May 17th 2018

    Skip Godot- Well-made, very sharp, clearly a quality product.