Is it possible to touch up a rust blued barrel that has a slight blue blemish without a total redo? I own a double that has an area on top of the barrel measuring about 6 mm x 6 mm with bare metal. Im not sure if a dent may have been raised there before I took over as caretaker of this nice gun?? Is this something that can be touched up? Ive tried a bluing pen before and didnt get a good result, so thats out.

Socialism is almost the worst.