CoElkHunter
AH ambassador
I had never used Barnes bullets before I bought some factory 450gr. .458 Win Mag loads. After about a dozen rounds in my CZ 550, I cleaned the barrel and noticed some copper fouling in the barrel which I couldn’t brush out even after using Gunslick “Foaming Bore Cleaner” soaking in the barrel for twenty minutes. Probably using the wrong stuff, but haven’t shot all copper bullets before. Any suggestions?