Description
This is the Viper Knives Swayback Jack, has Amboyna Burl Wood 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 : Amboyna Burl Wood
Factory ID : VPCK0616AB
Pattern : Swayback Jack
Condition : New/Mint
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 : 1.85 ounces
Half Stops : Yes
Factory Box : Plain
Blade Finish : Satin
Country : Italy
*Factory Effort : 8
5 out of 5 Sexy Italian Engineering
majorpain1251 (verified owner) –
Is it a Ferrari or Lamborghini? This thing is very well made. Great walk and talk, perfectly centered and sharp. Love the Amboyna Burl covers. The only thing that I don’t like is the lanyard hole. I don’t think most buyers of this particular knife will be adding lanyards. Too sleek and sexy for that.
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5 out of 5 Just gorgeous
Talan2000 (verified owner) –
I have a lot of knives. I tend to prefer modern Ti flippers. Then I buy something like this and am reminded of the reason to buy quality and be forever impressed.
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5 out of 5 Great knife!
Drake998 (verified owner) –
This is a fantastic knife. The burl is gorgeous, I was really happy with how great it turned out to be. The knife is centered and arrived razor sharp. It is well constructed as well, with a nice snap. Highly recommend picking one of these up – it is entirely possible this will be the only run in this material!
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5 out of 5 Another Winner
MP95B20 (verified owner) –
Great wood perfect action. Get the bail for the lanyard so much easier.
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5 out of 5 Gorgeous burl!
Brent Morris (verified owner) –
I am really pleased with how nice the burl handles are on my CK Swayback Viper…… Extremely dense and figured; it looks like it belongs in a Kings castle…. The mechanical portion of the knife is like NASA built it…… World class materials designed and manufactured into one of the highest quality knives in the world no matter how much is spent…. The knife is superbly done and is priced with the blue collar man in mind….. Mike, at CK, and Viper have created an offering sure to please the most discriminating knife knut…..
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5 out of 5 Outstanding swayback
waverave (verified owner) –
As always, Mike @ CK offers the best online service available. The knife is also wonderful and of the highest quality in all regards.
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5 out of 5 Beautiful workmanship
jbngo (verified owner) –
These are beautiful with the burl covers. Very snappy action and F+F is superb. The modern look with screws and varied textures make this a modern classic. A knife I’m proud to carry.
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5 out of 5 Outstanding Swayback
Ghostimpala (verified owner) –
The fit and finish are impeccable and what you would expect out of a slipjoint made with modern materials. It’s smooth, refined and very lightweight.
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5 out of 5 Perfect in every way.
Knife enthusiast (verified owner) –
When I got this knife, I was blown away. Let’s talk specifics. The fit and finish is spot on. Blade is perfectly centered and has a great satin finish. The wood on the handle is nicely figured. The titanium bolsters and liners are integral one piece. I wasn’t expecting that! In addition, they are milled on the inside to insure that there is no rub marks on the tang. The spring is polished inside and out! And nicely rounded. The action is perfect as well. Buy one, and carry it with pride. You won’t regret it at all!
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5 out of 5 Beyond Expectations
appenthusiast (verified owner) –
Before getting to use it I couldn’t help but notice how nice it really looked not to mention how well it was put together mechanically. i like how it fits in the pocket and isn’t cumbersome nor weighty. And then you pull it out to use it and once again captured by the smooth line from the base of the knife flowing along the spine and so nicely into the blade itself. It’s ready to work and has been all over this ranch in the short time since its arrival. One of my favorites to carry and use!
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5 out of 5 Better Than GEC
ddallam (verified owner) –
The day this arrived I compared it to my GEC 2014 Northfield Viper, and sold the GEC. This knife has exactly the same blade length, but the knife is shorter (closed) and lighter. The whole blade is less proud when closed and the exposed ricasso on the GEC is very sharp where this is soft to the touch. All of that means that this knife is very much more pocketable. The Amboyna burl is beautiful and a very hard dense wood. Love my GECs, but this one is nicer. Plus M390 is tougher and won’t rust. In summary, my new favorite user! Thanks, Mike!
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5 out of 5 Beautiful little knife
mark.blumer@gmail.com (verified owner) –
This is not a large knife. It is the perfect edc especially if you have to wear a suit. The workmanship is superb. I especially like the rounded spine and when the blade is open the connection between the back of the blade and the spine is perfect. I wish they hadn’t drilled a hole for a lanyard but otherwise I think it is wonderful.
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