CMP delivery

[ssgross]

that's right Jim.
Plenty of Hoppes No. 9, 20 strokes or so, let it stand for 20 minutes or so, then 50 strokes and patch out until dry. All the old oils/grease and top grime is off. I use a ratcheting brush on the chamber. No more rust there! Shiny copper comes out next.
crown, 12inches, throat, shoulder.
Attachment 115191Attachment 115192Attachment 115193Attachment 115194
some deep tool marks revealed.