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guncrank · February 4, 2013, 07:49 PM

Un

If you have a scratch in the chamber it will be from a chip stuck in a flute or chatter from a fouled or dull reamer.

That is probley be more than .0002 deep
It that is the case no polish will remove that without making a chamber out of round.
Now a scratch could be less than that and polished out but not from my experence.
A deep scratch polishing should at least reduce the edge that the case would stick too.

Polishing a chamber to remove rust is the main job that I run in my shop.
The OP has feeding scratches not chamber scratches.

February 4, 2013, 07:49 PM	#50
guncrank Senior Member Join Date: July 15, 2006 Location: Fern Creek ,KY and Metro Louisville at large Posts: 430	Un If you have a scratch in the chamber it will be from a chip stuck in a flute or chatter from a fouled or dull reamer. That is probley be more than .0002 deep It that is the case no polish will remove that without making a chamber out of round. Now a scratch could be less than that and polished out but not from my experence. A deep scratch polishing should at least reduce the edge that the case would stick too. Polishing a chamber to remove rust is the main job that I run in my shop. The OP has feeding scratches not chamber scratches. __________________ Republic Arms and Armaments 07 1-502-231-1118 Machine Shop and Finishing Services to the trade and public Last edited by guncrank; February 5, 2013 at 08:09 AM.