Breakthrough Clean Technologies Nylon Bristle Bore Brush - Brass Core

GUN CLEANING BRUSH: 20-Gauge:  This 20-gauge bore brush features a #5-16-27 thread, rugged brass core & stiff nylon bristles to attack heavy carbon build-up in your firearm. Our gun brush is a handy accessory to add to your shotgun cleaning kit. 243 Caliber & 6mm: This .243 Cal / 6mm bore brush features a rugged brass core & stiff nylon bristles to attack heavy carbon build-up in your firearm. Our gun brush is a handy accessory to add to your rifle cleaning kit. .25, 264 Caliber & 6.5mm: This bore brush features a #8-32 thread, rugged brass core, and stiff nylon bristles to attack heavy carbon build-up in your firearm. It makes an excellent addition to your firearm care kit. NYLON 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-qualit