I polished mine as well, used a felt tip on the dremmel and JB bore paste gives it a nice look; kinda reminds me of my old 51 navy now
. I've heard the 0000 steel wool works well also for "antiquing". Been wanting to try to lightly "polish" the whole thing to give it a used satin "blue" look rather than the flat black.
Here she is in current form....best $250 I ever spent....Still a little PO'ed mine didn't have the edge of the cylinder beveled though
I age my brass with a paste of 3F BP and Dawn liquid dish soap. Paint it on, let it sit a spell and then rinse it off with water.
I'd like to see that