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Ontario Mark 3 Navy Knife Fixed 6" Sawback Blade, Polypropylene Handle - 6141

Customer Reviews 4.000 Read 4 reviewsWrite a Review
Part Number: ONMK3
Manufacturer: Ontario Knives
Retail Price: $138.95
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ONMK3: Mark 3 Navy Knife
Ontario Knife Company

This knife is used exclusively by US Naval Forces. Ontario Knife Company has produced the following knives for many decades and all have seen combat with US Armed Forces. Needless to say, these veteran blades are not in the business of giving quarter.
  • Blade Length: 6"
  • Overall Length: 10.75"
  • Blade Thickness: 0.17"
  • Blade Finish: Black Oxide
  • Blade Grind: Flat
  • Blade Material: 440A Stainless Steel
  • Blade Hardness: 49-54 HRC
  • Handle Material: Polypropylene
  • Sheath Material: Cordura and Plastic
  • National Stock Number (NSN): 1095-00-391-1056
  • Made in USA

UPC Code: 071721061410

Zytel Handles
Zytel Handles
A nylon polymer that is lightweight and extremely durable, Zytel can be shaped and textured to provide excellent grip.
Made in USA
Made in USA
This product is USA born and raised.
4.000 (4 reviews)
4.0 out of 5 stars
5 star
4 star
3 star
2 star
1 star
4 out of 5
Cumberland, RI
Mar 10, 2011
Pros: Materials, Handle Material, Blade Material, Finish, Weight, Overall Quality, Blade Sharpness
Cons: Sheath/Scabbard, None
Great SEAL Knife
Great Navy issue knife Better than SOG design for SEALs Great price Could have better sheaths Light weight and compactness a plus for spec-ops Great finish for rust resistance
5 out of 5
Bond, Ionic Bond
Nov 27, 2010
Pros: Blade Sharpness, Sheath/Scabbard, Handle Material, Blade Material, Materials, Weight, Overall Quality, Finish
Cons: None
highly reccomended
fast delivery and well-made. the only problem with it is that the blade is made of stainless steel, but it is just a matter of personal preference
5 out of 5
Nov 20, 2010
Pros: Blade Material, Finish, Handle Material, Weight, Overall Quality
Cons: None
Love it
Blade is thick about 1/4". Bought this knife and haven't looked back. Great finish, it is a little heavy, but what can you expect, its a combat knife. The finish is baked on and hard to scratch, i have had mine for about 7 months and use it everyday. i believe the blade is 440c, so it holds about a 57 rockwell. Can't argue with this blade.
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