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7MMGUY · October 2, 2010, 08:06 AM

The best copper solvent I have used is Barnes CR10. Soak the bore for ten minutes and scrub with a nylon brush not bronze. Follow this procedure with a patch coated with JB bore paste 5-6 passes down the bore. I should have mentioned to clean the bore to remove powder residue first.

October 2, 2010, 08:06 AM	#6
7MMGUY Member Join Date: September 4, 2010 Posts: 78	The best copper solvent I have used is Barnes CR10. Soak the bore for ten minutes and scrub with a nylon brush not bronze. Follow this procedure with a patch coated with JB bore paste 5-6 passes down the bore. I should have mentioned to clean the bore to remove powder residue first. Last edited by 7MMGUY; October 2, 2010 at 08:40 AM.