well i just had the gun apart for the 4th time and checked everything out. hop up looks good, rubber looks good (compared it against an older one i had). everything was super oily though and i heard that can effect the accuracy so i cleaned everything up. just charging the battery now to check it out. if there is one problem that it still might have it doesnt look like the piece at the end of the hop up arm is pushing down hard enough on the rubber to depress the nub into the barrel to put the backspin on the bb. the actual plastic hop up unit looks ok though
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