well now... I have actually lost fps by installing this vs. my systema are 1000 type 1 cyllinder
I have come the conclusion that if you have have decent compression, a type 1 is the best option for a m16.
It's still a very good cyllinder, the teflon coating means that you can grease it a little less and cut down on piston head drag.
-very nice cyllinder
-not for a m16 if you have good compression and use less than a .36g bb, .25 are not heavy enough and the type 1 gives greater velocity
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