The Best Nylon Bore Brushes are made for serious shooters who demand fast, effective, and safe barrel cleaning. The extra-stiff bristles power through copper fouling, hard carbon, and residue to dramatically reduce cleaning time. Unlike standard nylon brushes, its thick bristles resist breakdown from scrubbing and harsh cleaning chemicals, ensuring long-lasting performance. This brush is 100% safe for rifle and pistol barrels thanks to its non-marring brass construction.