M3 Trench Knife

Originally designed in 1943, the M3 trench knife was a fighting knife issued to soldiers otherwise unequipped with a bayonet. Featuring a razor-sharp, bayonet-style point alongside sharpened edges, the M3 was suitable for both stabbing and slashing motions. It is sure to find a home with both reenactors and collectors alike. This M3 Trench Knife includes the M6 Scabbard and is made in America by Ontario Knife Company.

In stock


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American Owned and Operated


20+ Years In Business

Returns Accepted

Ships from Pennsylvania


Ontario Knife Company


  1. M3 Trench Knife
  2. Made by Ontario Knife Company
  3. Correct Markings
  4. Excellent for Collecting, Display, Film, or Reenacting
  5. Made in the USA
  6. UPC: 801608111330

More Information

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Customer Reviews

Not really authentic but will still serve it's intended purpose
Review by Keepshooting Customer
Verified Buyer
While I would love to own a real life replica of the famous Fairburn Fagan OAM commando knife from Australia, the Ontario knife is a very good second choice. The grip and construction will definitely do the job, though the pommel has the very distinct modern nylon construction as opposed to leather. Not sure if this one has saw teeth, as they aren't the best at marketing, however it is in the product description. My major gripe is that they chose orange over olive green for the colour, which just makes it stand out in an undesired way. I guess it is easier to distinguish but I can definitely tell the difference when comparing it to other kabars in olive. Overall I would say this is a good value product. It is very sturdy, sharp, and is of higher quality than expected for this kind of knife. It will do the job.
Bargin deal for this quality of a knife.
Review by Keepshooting Customer
Verified Buyer
What can I say it’s a M3 NK. One sharp. Won’t need anything else. Wish this came in flat dark earth. For $50 what a steal!
Well built
Review by Keepshooting Customer
Verified Buyer
Looks like a high quality reproduction to me. A true classic that's a little larger than what we're used to these days. This one will sit in my bug out bag as a little backup.
This looks and feels authentic.
Review by Keepshooting Customer
Verified Buyer
My husband bought this as a gift for his collection and said it is identical to the authentic he was issued in the 80's and 90's, with a new blade. This looks and feels authentic. He had no problems with the leather and the sheath, as some have said they have. Very happy with this item.
good price on good knife. Exactly as I remember it ...
Review by Keepshooting Customer
Verified Buyer
Exactly as expected, good steel, high carbon US made noice, lether sharp tip, nice parkerization coating on blade but its easily cleaned off to give a raw look. good blade for bushcraft work... but note if your looking for period 1940s type finish this is not the knife... the pic with finish makes the handle look too pretty and too nice. remember they had war on there hands then ... this isn’t made to be display in a collectors box ... it is made to go, put to work... I love it
High Quality Knife
Review by Keepshooting Customer
Verified Buyer
My husband and I collect all of the Military Knives and this is the best knife in his collection.
Great and sharp out of the box!
Review by Keepshooting Customer
Verified Buyer
Well balanced out of the box and great and sharp right out of the box. Nice looking blade as well.
Knife very sharp, strong but comfortable hilt. Great tactical fighting/ utility blade with scabbard and metal mounting straps to secure the blade. But is big
Review by Keepshooting Customer
Verified Buyer
Great fighting/utility fighting utility knife with all metal sheath and fast, secure, heavy duty belt straps and two very heavy duty metal straps on the front, back and bottom to carry and keep the M-3 secured on your thigh, hip, belt or body and secure around your body or legs.
Great knife
Review by Keepshooting Customer
Verified Buyer
This is my second one and I love it!
Review by Keepshooting Customer
Verified Buyer
I bought this to replace my original WWII MK III Trench Knife which was lost in a house fire last year. The new one is identical to the old one and I am very pleased with it.

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