Ontario MOD Mark 3 Dive Knife, 6141

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Product Overview

Ontario MOD Mark 3 Dive Knife

The Ontario MOD Mark 3 Dive Knife is used exclusively by US Naval Forces.

Overall Length 11.1 in (28.2 cm)s
Lock Type Fixeds
Hardness 49-54 HRC
Edge Type Plain
Country of Origin United States of America
Handle Color Black
Blade Grind Flat Bevel w/ Secondary Flat Bevel
Blade Finish Oxide
Blade Color Black
Blade Thickness 0.165 in (0.419 cm)
Blade Material Stainless Steel
Blade Length 6.0 in (15.2 cm)
Sheath Material Molded Plastics
Sheath Color Black
Sheath Type Belt Clip


(5 reviews) Write a Review

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  • 5
    Mk 3 Mod 0 Dive Knife.

    Posted by Mark Wegmann on Jun 22nd 2019

    This is what I was looking for. Good quality knife for the price.

  • 3
    Ontario Mark 3 Mod 0 Knife

    Posted by Stan Large on Jun 21st 2019

    Knife was received after several weeks delay due to back-order status. When I finally did receive it, I found the knife to be sturdy and well made, except for the final edge work... it was very dull with the worst edge geometry I've ever seen. I've been working on it for the past week with diamond steel and it's finally developing a fair level of sharpness but still won't shave my arm. I guess I was expecting a bit better craftsmanship, especially for a weapon used by our troops.

  • 5
    Cool Knife!

    Posted by Bob Lancaster on Jun 20th 2019

    Sturdy knife and sheath, it'll certainly do what I need it to do.

  • 5
    Very hard working /salt water resistant ( good oil )

    Posted by joe wojcik on Jun 19th 2019

    Use as an all around boat knife / extremely durable in salt water environment ( oil it up ) very good grip with wet hands very good sharp blade very nice sharping scabbard life time tool

  • 5
    Mark 3 Navy dive knife

    Posted by chadwick rose on Feb 27th 2019

    Great knife and great people to buy from! Thanks