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Old February 20th, 2015, 01:48   #3
jamuke
 
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Join Date: Dec 2008
Location: Trono
What did you build
I have a glock with GM zero hammer and SD valve knocker
same issue, will think about the rounding.

I can get about 2 mags a fill so your 18 sounds like a problem.
Make sure your piston cup..or ring is firm, maybe a crack in your loading nozzle

whats your FPS like
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Last edited by jamuke; February 20th, 2015 at 01:57..
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