Viper Knives Vox Fortis Flipper Knife Orange G-10 (3.5" Stonewash) V5952GO

MSRP: $249.95
Our Sale Price: $159.99!
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Item #BHQ-49481


  • Overall Length:8.25"
  • Blade Length:3.50"
  • Blade Thickness:0.16"
  • Blade Material:Bohler M390
  • Hardness:60-61 RC
  • Blade Style:Drop Point
  • Blade Grind:Flat
  • Finish:Stonewash
  • Edge Type:Plain
  • Handle Length:4.75"
  • Handle Thickness:0.44"
  • Handle Material:G-10
  • Color:Orange
  • Weight:4.16 oz.
  • User:Right Hand
  • Pocket Clip:Tip-Up
  • Knife Type:Manual
  • Opener:Flipper, Thumb Hole
  • Lock Type:Frame Lock
  • Brand:Viper
  • Model:Fortis
  • Model Number:V5952GO
  • Designer:Jesper Voxnaes
  • Country of Origin:Italy
  • Best Use:Everyday Carry
  • Product Type:Knife


This Fortis model features a stonewashed Bohler M390 steel blade and a titanium frame lock handle with an orange G-10 front scale.

The Fortis is the result of another successful collaboration between Viper and custom knifemaker Jesper Voxnaes. Its slender titanium frame lock handle is contoured for a natural feeling grip that offers added security and comfort during use. Cutting performance is top notch thanks to a Bohler M390 steel blade with a practical profile and flat grind. A flipper opener, thrust bearing pivot, sturdy frame lock, and machined titanium pocket clip combine to create an exceptional EDC folder.

  • M390 blade steel offers high durability and edge retention.
  • Lightweight build and slim design for easy everyday carry.
  • Thrust bearing pivot provides smooth, responsive blade deployment.

Customer Reviews

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Fantastic and Durable
Noah K.
I've had this knife for over two months and it is for sure my favorite. It fits great in hand, feels well put together, and slices fantastic. Overall fit and finish, this knife is as much art as it is a tool and a lot of details in the handle show they were really thinking about the design of this knife.

Opening it is easy, with the option for thumb stud or finger flick opening in addition to the flipper tab. The action on it is reliable, but with a blade this big it is slow so don't expect a snappy action, it's far more in the smooth range.

Speaking of the blade, I personally like that it is thick, really thick. If that isn't for you, this might not be the perfect knife. I will say the grind is very nice, allowing the thick blade to slice like a thinner one. The blade size also allows the blade to curve high enough to get almost as nice a leading edge as a tanto blade would have. The M390 steel is fantastic. It's still much sharper than most other knives and I haven't even touched it up in the three months I have had it. I couldn't recommend the steel more.

Overall, if you don't mind a heavy knife or a thick blade, this is a near perfect knife and hits well above its price range.