What Are The Bore Sizes Of Shotgun Gauges?
• 410 Caliber – .410 • 28 Gauge – .550 • 20 Gauge – .615 • 16 Gauge – .670 • 12 Gauge – .730 • 10 Gauge – .775 Please note – Shotgun chokes will vary the above dimensions at the muzzle depending on the choke restriction. Why Can’t I Get A Clean Patch When Using Lead Away? Lead Away chemically loosens and lifts lead build-up from the bore. While using Lead Away, you will notice silver streaks of lead on the patch that has been extracted. As a rule, when the streaks of lead no longer appear on the cloth, this part of the job is done because the bore is free of surface lead. If you continue the cleaning process, Lead Away Patch will continue to be blackened with further use. This occurs because the gunmetal composite contains microscopic particles of lead that have been added for easier machining. After using Lead Away, use a solvent and a clean patch to clean residue Lead Away chemicals out of the bore. Finish the job by lightly oiling the bore. If you plan to do a lot of lead bullet sho