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I've got a 6" Ruger GP100. Last night I was doing some indoor dry fire practice and gave it a serious inspection. Using a high intensity flashlight I noticed copper colored deposits along the rifling edges inside the barrel.
1) How do I clean this?
2) Is it a problem?
As info this is a newer gun, just bought last spring and only has a few hundred rounds through it.
1) How do I clean this?
2) Is it a problem?
As info this is a newer gun, just bought last spring and only has a few hundred rounds through it.