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Might be around a 685 then. Only way to really check is to match it.Thanks for all the help and advice lads
Will have to try a few out next weekend at training and see how they compare
Would anyone happen to know what size the GI Sportz 1 star generally bore out as? I've only used my .690 and the balls do roll through, but I haven't been able to try and get a bore match
a lot of people oversize the barrels as well its not a rule you must use a barrel kitThanks for all the help and advice lads
Will have to try a few out next weekend at training and see how they compare
Would anyone happen to know what size the GI Sportz 1 star generally bore out as? I've only used my .690 and the balls do roll through, but I haven't been able to try and get a bore match