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Old 22nd July 2013, 09:06 AM
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blacklab blacklab is offline
Senior Member
Join Date: Aug 2012
Member of: nelson
Location: pontypridd
Posts: 425
Default std gun

has any body tried a bog std gun without any tweeking, many years ago when the vulcan appeared with the ptfe piston seal, they were prone to temp shifting, hw80,s were best by sizing the std seal, ptfe was,nt good in them either.
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