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Matrix L85 / SR25 Type CNC Aluminum Steel Strip Piston & Piston Head Set

4 Customer Reviews

by Brian W. on 03/02/2017
"I got this for my KIng Arms SVD because when i was working on it a while ago it broke. This one fits way better than the stock one and has way better compression. I would highly recommend this for any gearbox that requires an extended piston. This was a pain to put in my gearbox because it would rotate when I was closing the gearbox (this is because of the gearbox design not the piston itself)
Pros: Light, Strong, Better fit and Compression
Cons: Non with the piston
by Austin B. on 04/09/2015
"I've noticed there are no reviews on this part for and SR-25 and I just want you guys with an SR-25 looking for a piston this is the one. I've had this piston for a few days now and i want to start off saying this is really high quality part, i got this for ny matrix SR-25 by A&K (mine came light blue). I've put almost thousand rounds through it so far and its still like new. I will write another review for this once I get more and more rounds through it. I also changed the O-ring out with my old one because the one that came with this was too small.

-full metal
- fits my Matrix SR-25 by A&K
- lasting through matrix magnum motor and 11.1v 4000mah lipo, everything else stock for now.

- had to swap O-rings which only would have been an issue if I would've threw out my old stripped piston. (not really any big deal)

Overall this is a great product and I highly recommend it for anyone looking for a SR-25 piston.
by Michael C. on 03/13/2010
"Bought this piston for my upgraded TM Psg-1. Piston itself is correct size and shape, but this piston has full width teeth pattern. Psg has half width teeth. Teeth strip IS removable but doesn't come with Psg compatible strip. Don't buy this piston for your Psg-1 unless you have some way to add your own compatible teeth strip.

All that aside, let me say the piston quality is AMAZING. I put it in my L85, and it works great. Very light and strong. Came bright blue - looks pretty unique.
by Duane M. on 03/07/2010
"I purchased this piston about 4 months ago for my L85 and it hasnt failed me yet as far as i can tell it is very durable and does the job for my L85 without any problems.


none i can think of