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Old September 29th, 2010, 21:39   #50
highny
 
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Join Date: Jul 2009
Location: Calgary
So, in conclusion to what I was saying, the Laylax piston head is compatible with the stock cylinder head. Also here's the important part, the piston head DO fit the PDI hop up unit.

Always, here's what I found out after tossing everything together including a madbull 509mm 6.03 tightbore.

My FPS increase from 450(stock) to 485fps.
My accuracy has increase quite a bit, and pretty consistence, but that's with 50 feet. I'll give a more detail update after this Friday.
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