You stated that you use a brass rifle case glued to a old piece of cleaning rod to polish chambers in rifles. I had a few comments:
The Brass case chould be a once fired case so it fits your chamber better than a new case, also the brass is softer than steel so you may get brass residue in your chamber. I have done this but used a old bronze brush wrapped with a clean cotton rag untill it fits the chamber and then polished with FLITZ for about 1 minute with a corddless drill .
Just nosing around here, my two cents, I like the idea of the case because it would tend to take only the high spots and miss the lows possibly trueing up any out -of-round a bit. Where would one go to get some polishing rouge by the way??
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