thanks to both Rons, the real issue is to be free of blue finish as it will mess up the weld, that would be blue in the area of weld, of course there would be no or little blue at the pit, but you weld will go just past pit and may hit blue.....clear as mud???...well ya know, need to say here it must also be free of any junk someone may have used to fill/treat the pitted area, epoxy/brass brase who know what is out there and may have been done the the gun smith,,,ha
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