The Shooters Choice 12 Gauge Pierce Point Jag is crafted from solid brass and designed specifically for 12 gauge shotgun cleaning with 5/16-27 thread compatibility.Shooters Choice 12 Gauge Pierce Point JagSolid brass construction prevents scratching or damage to firearmPierce point design keeps patches centered and allows easy release at muzzleCaliber-specific fit ensures proper patch-to-bore contact5/16-27 thread for compatible cleaning rodsIncludes 1 bronze bore brushEssential for proper shotgun maintenance this precision-engineered jag provides effective cleaning while protecting your firearm's bore integrity through its non-marring brass construction.