I have used a shotgun bore mop coated with polishing bore paste like JB's on a cordless drill . Squirt some Kroil in there every so often. Take it slow and easy.
I have used a shotgun bore mop coated with polishing bore paste like JB's on a cordless drill . Squirt some Kroil in there every so often. Take it slow and easy.
The Dunning-Kruger effect is alive and well.
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