Originally Posted By: Ken61
Hmmm, it seems to me that the residue around the pits should be filed off before a proper evaluation of the pits could be made...Once things were flush, sanding could possibly tell if there is a bulge in the area as well...

I agree, after filing the residue flush a short 6" metal straight edge ruler pressed perpendicular to the barrel would hi-light any bulge that might be there.

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