The Shooters Choice 12 gauge bore brush features phosphor bronze bristles and an aluminum stem designed to provide effective barrel cleaning without causing damage to your firearm.Shooters Choice 12 gauge bore brush - 3 inch lengthPhosphor bronze bristles for thorough cleaningAluminum stem construction for durabilityStandard 5/16-27 thread compatibilityBrush size stamped on stem for easy identificationIncludes 1 bronze bore brushEssential for maintaining your 12 gauge shotgun this bore brush effectively removes fouling and debris while protecting your barrel's integrity during routine cleaning and maintenance.