I was reading the Lyman reloading book on gun cleaning yesterday.

The author states, take the firearm out side. Sun to your back, look into the first inch or so of the barrel. If you see copper fouling it will be in the whole barrel.

By George a lot of my newly bought used Marlins have it. The LGS sold me a foam to try. Guaranteed results! So far very impressive!


"Shoot low sheriff, I think he's riding a shetland!" B. Wills