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Old 11-02-2012, 12:17 PM   #1 (permalink)
Join Date: Aug 2012
Location: New Jersey

2K2 WGP Pump blow back

I have a 2K2 WGP Pump and when i shoot it the lid pops open on the hopper not all the time but some. I tried replacing the o'rings on the bolt and that helped a little but it still pops open. Any suggestions?
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