Thread: G&g sg 550?
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Old March 6th, 2013, 14:16   #5
Immelmann
 
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Join Date: May 2011
Location: Orangeville/Hamilton
How are the stock internals? Would anything need upgrading? Also, which hop-up does it use? I'm finding an alarming lack of info on google...

Also, have you guys had any issues with the motor?
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