Thread: Copper fouling

Munsey as suggested by the guys you need to look at the barrel at the muzzle end. I use a small torch and sometimes a magnifying glass (eyesight getting shagged). Also you may get false Cu indications even though your barrel is clear if using a good solvent which will also disolve the end of your cleaning rod and your jag (unless using a "proof" jag" which will not disolve) and your bronze brushes.