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Combat Knife
30.8 cm
1 kg

360,00 €

Not Available
Delivery date unknown


The restyling of a classical, a tribute to a veteran, one of the most  distributed and used knives during World War II : MARK 2. It was produced in many versions by historical US knives manufacturers  but always following the original specs given by the U.S. NAVY. It is the preferred tool among traditionalists who only trust “battle  tested" knives. Throughout the years several manufacturers have tried to restyle this  knife with little success. It is in fact the original model which is still favoured  in the main catalogues.

Extrema Ratio’s aim, in this ambitious project, is to keep the original characteristics  while developing only functional changes to increase performance. Cobalt reinforced stainless steel is used for the blade, AISI 303 and  AISI 304 are used for the other components. The rounded leather handle has been replaced with a fibre glass  reinforced nylon handle. The ergonomics of the original knife has been left intact while all  structural parts have been oversized to obtain a sturdy versatile knife. The most important changes have been made to solve the so called “weak  spots”  of the original version.

  1. the possibility to disassemble the knife in the field  without the need of tools;
  2. the Bowie shape was straightened for easy sharpening;
  3. the grooves in the “barrel” shaped handle help to find  proper blade direction  even in dark  conditions
  4. the same grooves improve the grip during twisting  movements

Other small modifications were to add holes on the back tang to add a  lanyard and on the front guard to tie the blade on a pole to be used as a spear. For purely estethical reasons the traditional bloodgroove has been “cowardly”  replaced with the typical Extrema Ratio “side groove”. The original knife was perfect and no other modifications were needed. The first available versions will be the classic Extrema Ratio Black and  the new Desert Warfare which will come with a special HCS coyote sheath specifically  developed for SOF units. The black version comes with standard side sheath which includes automatic  retention system, protective flap and is M.O.L.L.E. compatible.

Tech Specs

  • Weight : 390 g
  • Blade length : 180 mm
  • Total length : 308 mm
  • Blade thickness : 6,3 mm
  • Blade steel : N690 (58HRC)
  • Handle material : Nylon reinforced with fiberglass
  • Serration : no
  • Finishing and coating : Brunitura MIL-C-13924