Ontario Mark III Trench Knife Fixed (6.56 Inch 1095 Carbon Steel Phosphate Coated Plain Bayonet Style Blade) Brown Leather Handle + Leather Sheath 8155

MANUFACTURER: Ontario Knives (OKC)
MPN: 8155
Retail Price: $120.95
Our Price:
You Save: $28.00 (23%)

The Ontario Mark III Trench knife is a 1940's era design that is tough as nails. The bayonet style blade has a partially sharpened upper edge and a non-reflective zinc phosphate black coating. The handle has a leather ring grip with a guard and pommel cap at the ends. The sheath is brown leather with a belt loop.

Ontario Knives (OKC) - 8155 Specifications:

  • Overall Length:
    11.50 in.
  • Blade Length:
    6.56 in.
  • Cutting Edge:
    6.375 in.
  • Blade Thickness:
    0.190 in.
  • Blade Material:
    1095 Carbon Steel
  • Blade Style:
    Spear Point Bayonet
  • Blade Grind:
    Flat Ground
  • Blade Finish:
    Black Phosphate Coated
  • Edge Type:
  • Handle Length:
    5.00 in.
  • Handle Material:
  • Handle Color:
  • Weight:
    9.00 oz.
  • Carry Method:
    Leather Sheath
  • Knife Type:
    Fixed Blade
  • Brand:
    Ontario Knife Company
  • Model:
    Mark III Trench Knife
  • Model Number:
    8155, ON8155, OK8155
  • Made in USA

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Your Rating: 5
Kurt N. on 12/29/2022 03:47pm
I would have given this 5 stars, but the Parkerization on the pommel is only on the flat surface, not the side. I found that the side of the pommel is just painted and the paint rubbed off in a small spot and I could remove a lot of it with my fingernail. I quickly fixed it with matt black spray paint, but I had to drop a star.
Medic on 03/15/2022 12:30pm
I own dozens of knives and this one is, by far, my favorite. I carried an original WWII M3 on me during my deployments to Afghanistan, but when the leather began cracking and splitting on the handle, I replaced it with this one from Ontario. I can't say how much I love this knife. It is made from a real hard-working, hard-wearing 1095 steel and not a brittle stainless steel like 98% of the other "tactical" knives out there. Some people have complained about the finish on the leather - or the lack thereof - but that is one of the best things about this knife; it has classic stacked leather that has a good, firm grip to it that isn't slippery like what you get with a Kabar and the like. My knife's fit and finish was amazing! The only complaint that I have is that the cross guard isn't bent as much as my original Camillus. There is no flair to this knife, but a combat knife shouldn't be pretty anyways. It is just simple, durable, and deadly. It's design is nearly 75 years old but it is just as useful and deadly now as it was back then when placed in the right, well-educated hands.
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I looked at their website, got a good price on the knife I wanted, ordered it, it was delivered. Oso Grande Knives did their job perfectly. I will be back in the future.
-Tom V A - New Lenox, IL

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