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Old September 21st, 2008, 15:13   #5
TriChrome
 
Join Date: Aug 2008
Location: New Jersey, USA
What's in your gun? Piston? What's the RPS and FPS?

Ripping the back off the piston can be caused by many things: bad piston, sector gear coming forward before the piston returns home, angle of alignment being really off, etc.
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