I dug up this old thread because I'm considering polishing the chamber of a barrel on a new gun and wanted to refresh my memory on the polishing process. I see that others have also had similar questions as to why not polish the chamber. I realize polishing the chamber won't affect my patterns. But, on this new gun, shells just aren't feeding into the chamber as smoothly as they should and are sometimes sticking in the chamber after firing. My thought was to try a little polishing to see if I can get them to feed better. Is there any danger in doing this?