Well said. I run a cotton brush down mine once a month, and I shoot a lot. But, I'll agree. My Impacts shoot better a little dirty than they do having just been cleaned.
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Thick (tight) cotton patch with JB bore paste rubbed into it. I'll run a few passes like that. The patches start off black and move to a rustish color. It never comes out completely clean. I think it's a reaction the paste has with the steel. I'll usually push a couple dry patches through afterwards. I've skipped the last step on my personal guns without issue.Mycap, what do you use to polish your bores?