Ontario Mark III Trench Knife & Leather Sheath


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The Ontario M3 Trench Knife is a formidable 11.875-inch combat tool designed for close-quarters combat.

Its 6.875-inch black phosphate-coated 1095 carbon steel blade features a partially sharpened top edge, ready for swift action. The grooved leather handle offers a secure grip, complemented by the black phosphate-coated steel guard and pommel. Complete with a leather belt sheath, this knife is a testament to Ontario Knife Company’s commitment to military-grade quality since 1942. With roots dating back to WWII, OKC continues to produce knives using cutting-edge materials and techniques.

Whether for military, tactical, or outdoor use, the Mark III Trench Knife delivers unmatched performance.

OKC M3 Trench Knife w/ Leather Sheath Features

  • OKC Mark III Trench Knife with Sheath
    • Ontario Knife Company M3
  • Overall Length: 11.875 inches
  • Blade Length: 6.875 inches
  • Blade Material: 1095 Carbon Steel
  • Blade Finish: Black Phosphate
  • Partially Sharpened Top Edge
  • Grooved Leather Handle for a Secure Grip
  • Steel Guard and Pommel with Black Phosphate Coating
  • Leather Belt Sheath Included
  • Blade Hardness: 57-59 HRC
  • Ideal for Close-Quarters Combat
  • Rooted in Ontario Knife Company’s Military Supply History
  • Made in the USA!
  • Fast delivery!

Additional information

Weight 1.75 lbs
Dimensions 14 × 3.5 × 2 in