Ed , Semi, and everyone I took a .490 round ball and slugged this Gm 45 cal stainless barrel with my gage it read .
Ed's bullet @ .450.5 the slug @ .445 in the grove and .455 between the grove on the slug.



Semi have you slugged your barrel just wondering if a blue barrel is cut the same ?

what is every ones thoughts ? do this sound ok to y'all or not

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