Thread: WE 4.1 Hi-Capa Problem!
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Old April 5th, 2012, 11:01   #38
StrikeFreedom
 
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Join Date: Aug 2006
Location: Markham
That's the cup shape. Change your piston head to an oring type and you'll be fine.

http://www.airsoftparts.ca/store2/im...piston-set.JPG
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