Quote:
Originally Posted by grenadeguy06
The brand of 25's are firepower. To disable the blowback I did plug the port. Perhaps I did a crappy job on sealing it.
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Crappy BB's. Use good BB's and either your problem will be solved, or you already damaged your hopup rubber and you have to get it replaced, then use only good BB's.
Sounds like your problem is crappy BB's, and you will continue to have issues even if you replace your hopup rubber.