As Bruce says, the choice is yours and as is exemplified by his gun, there is nothing wrong with a good clean up. I don't think your barrels need refinishing and as Eric said, some Hoppe's and 0000 steel wool will take off the crud and the pattern will show much, much better. There is a product much like coarse steel wool but of a softer alloy than steel that is guaranteed to take off rust but will not harm blueing. I'll get back to you with the name of the stuff... I have it somewhere in my basement. I've used it on lead fouling in my bores and it is terrific!
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