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by UPKnife

UPK-M2 GunMetal

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$399.95 $450.00
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A Bolt-Action OTF Multi-Tool Knife Built Tough!

I will have a new batch in the coming month as I re-tool for new blade steels for the UPK-M2.

  • Sandvik 14C28N stainless (toughest stainless that I am aware exists).
  • CPM MagnaCut Stainless

Please follow my IG @UPKNIFE or subscribe to my website to stay posted on my progress

Thank you,
John Risch

Hand ground and hand finished multitool manual otf knife made entirely in Stainless Steel.  Bolt-lever action inspired by the multi-lobe engagement of the chamber bolt in a rifle.
Handle Finish: GunMetal

   The Hardened Stainless Steel handle set is given a darkening during its multi-step finish process.  First finished with a deeply textured charcoal color.  Then it is micro shot peened to improve scratch resistance creating a stronger surface while retaining the darkened tone.  The second to last step is laser marking and engraving, brand, model, serial number, and then a deep laser engraved grip pattern are applied to the handles and blade.  The surface is further treated to passivation to ensure the handles have a superior corrosion resistance.


  • 3 Position Bolt Action OTF Operation
  • 3.1” 440C Heat treated Blade
  • Multi-Purpose Saw 
  • Bottle Opener 
  • Box Wrench Sizes: 9 SAE/Metric         
    • Dual: 9/16"(15mm), 1/2"(13mm), 3/8"(10mm)  
    • Solo: 7/16", (12mm), 1/4" 
  • 1/4" Bit Driver Driver (T-Handle) with retention   
    • NdFeB magnet(removable) 
  • Wire Stripper fixed V-blade
  • Tungsten Carbide Glass Breaker Tip with Center-Punch Action 
  • Deep Carry Concealed Pocket clip 
    • holds up to a 1.5" Belt Width 
  • Integrated Lanyard Loop


Materials :


Blade steel: 440C Stainless Steel Heat treated target HRC: 60

Handle and Bolt Lever material: 450 Stainless steel Heat treated to HRC: 45

Hardware material: 316 Stainless screws, 302 Stainless Springs and Pocket Clip, 304 Stainless Dowels, 440C Stainless Steel Ball Bearing, 304 Stainless carrier for a *Tungsten Carbide glass breaker tip, *Neodymium Magnet



Knife pattern: Hybrid Tanto Custom Multi-tool Blade Pattern

Blade length: 3.1inch

Blade grind and micro bevel: Flat Sabre Grind, wet ground and sharpened to preserve the temper all the way to the edge


Length Closed: 4.3" (110mm)
Partial Open Length: 5.1" (130mm)
Full Open Length: 7.2" (184)
Width: 1 3/8" (35mm)
Thickness Handle: 5/16" (8mm)
Thickness Overall: 9/16" (14.2mm) clip to bolt lever
Weight: 4.8oz.


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