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Old January 8th, 2010, 22:21   #11
Amos
 
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Join Date: Aug 2006
Location: Japan
Well.. if you ever want to short stroke something you've got a sector gear!

Illusion's suggestion is what I'm thinking it is, with the full cylinder installed in your gun the piston's not returning to rest fast enough (due to the build up of pressure from a BB in the barrel)

That set-up would work with a higher rated spring... or if you said you had a similar set-up that worked with a ported cylinder... I'd try that step.

I would advise changing out the cylinder, you could try straightening it out, but there has most likely been damage to the interior coating if it has one... (I had no idea what Pro-win cylinder's are like)
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