karl w Posted July 6, 2005 Report Share Posted July 6, 2005 My AA S300 wont go more than 8.72 ft/lbs on a full charge has any one eles had this problem as no matter what i try except turning up the grub screw on the side of the gun to allow more air through even that only takes the ft/lbs to 9.10 when fully open the problem with this is it could take the fts over the legal limit of 800 as this gives you 12ft/lbs in .177 i am rearly in need of some HELP THANKS Quote Link to comment Share on other sites More sharing options...
deadeye ive Posted July 6, 2005 Report Share Posted July 6, 2005 Sounds like it could be the air regulator valve ,i had a similar prob on my 410 and took no chances by sending it back to air arms ,cost about £100, that is unless you know somebody WHO is an expert.How old is the gun? Quote Link to comment Share on other sites More sharing options...
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