It\'s important to clean Rifles and Pistols to preserve accuracy, and for shotguns, particularly semi-automatics, to prevent them from jamming or misfiring.
This buildup of residues will be greatest at the part of the barr.
These residues build up after every shot, particularly the copper fouling.
When a center fire rifle is fired, Powder leaves a residue as it burns, called Powder fouling, and the copper jacket on the bullet leaves a residue as it travels down the barrel called copper fouling.
It\'s important to clean Rifles and Pistols to preserve accuracy, and for shotguns, particularly semi-automatics, to prevent them from jamming or misfiring