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Viper Knives Swayback Jack Stag handles M390 blade steel – EDC


This is and EDC due to lazy action in the blade.  It is very tight and could not be adjusted out.  Picture is stock, not actual knife.

Out of stock

SKU: VPCK0616STx Categories: , Brand:


This is the Viper Knives Swayback Jack, has Stag handles and Titanium liners.  The blade steel is M390 and finish is Satin.

*Our opinion:  The pull is a 6.  The Viper effort on this run as compared to their entire catalog is 8.  Action (walk) is 4 on a scale of 1-5, with 5 being gator snap.  Spring Pressure is 2 lbs.


Maker : Viper Knives
Handles : Stag
Factory ID : VPCK0616ST
Pattern : Swayback Jack
Condition : New/*EDC
Blade Steel : M390
Steel Hardness : 59-60HRC
Liners : Titanium
Bolsters : Titanium
Blade Type : Wharncliffe
# Blades : 1
# Backsprings : 1
Action (1-5) : 4
Spring Pressure : 2 lbs
*Pull (1-10) : 6
Closed Length : 3 5/8 inches
Longest Blade : 2 7/8 inches
Longest Sharp : 2 5/8 inches
Overall Length : 6 1/2 inches
Weight : 2.34 ounces
Half Stops : Yes
Factory Box : Plain
Blade Finish : Satin
Country : Italy
*Factory Effort : 8

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