Product FeaturesGUN CLEANING BRUSH: This 410-gauge bronze bore brush features a #5/16-27 thread, rugged brass core & stiff bronze bristles to attack heavy carbon build-up in your firearm. Our gun brush is a handy accessory to add to your shotgun cleaning kit.BRONZE BORE CLEANER: One of the best things about our gun brushes is that they don't scratch when cleaning & maintaining your guns. It's crafted with a highly durable core for strength & is the perfect size to fit your barrel correctly.GUN RANGE ACCESSORIES: Pack our high-quality bronze brush in your range bag or gun cleaning kit. Or store it away with your additional brushes, gun accessories, solvent, & other cleaning products. Our gun maintenance tool comes in many sizes.BRONZE BRISTLES WITH BRASS CORE: Our brass core brush includes strong bristles that wont loosen or fall out over time. It's a handy gift idea for fellow gun owners who prefer frequent & deep cleaning.MADE IN THE USA.