Breakthrough Clean Technologies® Nylon Bristle Bore Brush - .44 and .45 Caliber, Brass Core Product Features • GUN CLEANING BRUSH: This .44 & .45 Caliber bore brush features a #8-32 thread, rugged brass core and stiff nylon bristles to attack heavy carbon build-up in your firearm. Our gun brush is a handy accessory to add to your handgun cleaning kit. • NYLON BORE CLEANER: One of the best things about our gun brushes is that they don't scratch when cleaning and maintaining your guns. It's crafte
