I polished most of my powder drops[ones that were doing this]
Simple to do,saw wood dowel,insert 1200 strip of sandpaper and some oil,use drill motor,I use the drill press.
Makes the inside look like chrome.
The 223 one is the worst to do.
What the hell,I sent you a private mail and also told you I would take ir at 5:45 this am.
I also sent you a private mail with my phone # ans asked for a call to set up for transfer.
I am still waiting for some courtesy