Kershaw Piston Review!

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Jun 6, 2012
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This review has been sitting in My Documents for four months!


I don't like wasting space with stats when afore mentioned stats can be found with Google. But in this case I want to make an exception since it is my first review. So the stats according to Kershaw:



Steel: Sandvik 14C28N stainless steel

Handle: Machined G-10

Blade Length: 3 1/2-in. (8.9 cm)

Closed Length: 5 in. (12.7 cm)

Overall Length: 8 1/2 in. (21.6 cm)

Weight: 4 oz



Junkyard Dog at the top of the pic, Piston in the middle, and a Blur at the bottom. This photo was taken with the tip of the Piston's blade at the 1" mark instead of the start of the measuring tape. Any variance between the factory overall length stat and this picture should be disregarded as a photographic illusion. I did my best to place the knives so that the start of the sharpened edges lined up. For me, this way of photographing helps with size comparison.


gedc0021m.jpg





Picture of the Piston closed with a Junkyard Dog:



kershawpiston009.jpg




Piston vs Kershaw Leek



kershawpiston010.jpg


Open with Knockout


003ely.jpg


Closed with Blur, Knockout, and Echelon


001lco.jpg



Ok, with the picture show over let's talk about the knife!

As you can see from the pictures this is a large knife. I was surprised when I opened the box, but it was a pleasant surprise. I like my knives to be copious and hand filling. The G10 gives a firm, almost enjoyable grip.
The Piston is very light for its size but not so light that the knife feels cheap. It achieve this lightness by not having steel liners behind the G10 scale. Actually, it does have liners but they are only partial. Between 50 and 60% on the lock side and 40-50% on the speedsafe side. I had already decided to order the knife when I discovered that it had partial liners. But there was a pleasant surprise in store for me! One really can't tell that the knife lacks full liners! I haven't found flex in the scales without A LOT of force. The pocket clip can be mounted left or right tip up or down. Taking into consideration the flipper and dual thumb studs, this knife could be lefty friendly. An interesting fact about the clip mountings, there are metal inserts in the G10 for the pocket clip screws.

The blade!
It is beautiful with no play whatsoever. The lockup is strong and I have a feeling it will take a many openings for bladeplay to develop. (Still no play after on and off EDC for about four months!) am used to the beadblast finish that Kershaw uses regularly but the stonewashed finish is a nice change. The belly starts almost half way up the edge and comes to a very nice point. It is a cutter, not a slicer like the Knockout. The knife came very sharp, as is normal with Kershaw. I did oil and work the piviot same as any other new knife. The blade opens very smoothly with the speedsafe. It isn't fast opening like a Blur but it is still quite fast for such a large blade.

Overall, a very, very nice knife. Kershaw has surpassed themselves!

If you have and questions or picture request, please, let me know and I will do my best to help you. Also, constructive criticism is welcome! If you see something that I could improve please tell me.
 
Great review and pictures!

I picked one of these up a while ago, once I noticed that it was finally available.

My only criticism is that it has weak assisted-opening action—really have to give it a flick to make sure it goes all the way open.

I don't recommend opening it via the thumb studs though. I just haven't been able to figure that out. I prefer the flipper tabs anyways.

I like it better than the Knockout. They are both great knives.
 
I have not had any problems with the thumb studs. If I have been carrying thumb stud knives, I regress and only use the studs.
 
I agree the deployment speed isn't that fast but certainly adequate (IMO).

I do have one minor criticism, the knife isn't as solid as it could be if it had metal liners or better yet a metal frame. I hope they come out with a pro version with titanium or aluminum frame/liners. I would buy 2 of those.

:D
 
I can't find anything wrong with the handle—it is plenty solid for my needs.

I have several other Cold Steel knives with G10 handles without any liners and the Piston is just as solid as any of those are.
 
I agree the deployment speed isn't that fast but certainly adequate (IMO).

I do have one minor criticism, the knife isn't as solid as it could be if it had metal liners or better yet a metal frame. I hope they come out with a pro version with titanium or aluminum frame/liners. I would buy 2 of those.

:D

Have you handled the Piston? If not, you should. I think you will find it more solid than you thought.

If you have handled it, I don't know what to say.
 
Have you handled the Piston? If not, you should. I think you will find it more solid than you thought.

If you have handled it, I don't know what to say.

Yes, I own a Piston. I was just comparing it to some other metal frame/liner knives I have. Don't get me wrong, I think it is a solid knife but could be even more solid with metal liners or even a pro series metal frame would be cool. I actually EDC the piston more often than I do my Spyderco Southard, which I picked up at the same time.

I'm not knocking the Piston at all. Love the knife! :D
 
I've had a Piston for about a week and love it. The Speedsafe isn't fast enough? I can live with the extra micro second longer it takes to open than a Blur. Great knife, love the size and robustness and it's one hell of a good looking blade to boot. Already one of my favorite Kershaw's.
 
I got a Piston in the mail today. This is a great knife, and it can be had for under $60 plus shipping. I think the Speedsafe is a touch slow, but I think that is true for a number of USA Kershaws. The Chinese ones are like lightening.
 
Thank you for the review and photos. I'm carrying my Piston right now. Some simichrome polish really makes that blade pop ;)
 
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