The Breakthrough Clean Technologies Phosphorus Bronze Bristle Bore Brush for 20-Gauge shotguns is engineered to effectively remove heavy carbon buildup without damaging the firearm's bore. Its rugged brass core and stiff bronze bristles ensure durability and efficient cleaning, making it an essential tool for maintaining optimal shotgun performance. This 20-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.
| Thread Size | #5/16-27 |
| Material | Brass core with bronze bristles |
| Caliber | 20 Gauge |
