I've got a 20 gauge Mossberg 500 and a bayonet that a keep having ideas of putting together.
I also made a clown horn with a picitaney mount that I currently have on an AR, so I might not be the guy to listen to here. :p
JB bore paste is another non-aggressive option.
I wrap a cleaning patch around an old brush, put a little JB bore paste and a drop or two of oil on the patch, then run it in the chamber on a drill as recommended above.
The canned hunts don't bother me.
I figure Ted's buffalo had a better chance (and a better life) than the pig that died for my dinner or the cow that died for my shoes.
I was gifted a pistol from the estate of a friend. The family didn't have any documentation for it.
I talked to my local FFL. They put it in their books as " from the estate of..." and gave me a receipt that I submitted to the pistol permit office. When my cards came back, the FFL ran the...