After a thorough cleaning of my hawken and letting it sit a few days I always have a slight bit of rust in the bore. My regimen includes a thorough swabbing with the breech end in a bucket of water till I get clean patches. Then I pull it out and swab it a few more times for good measure. WD40 soaking then let it drip upside down for a few then swab the excess WD out and finish with a well saturated patch of bore butter. This is after sitting a week or so after this regimen.
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