ProShot's all purpose Double-Ended Bronze Gun Brushes are essential for cleaning those hard-to-reach areas where carbon, copper and oil residues accumulate. Featuring a double-ended design, one end boasts a large, contoured series of bronze bristles ideal for cleaning open surfaces, while the opposite end is equipped with stiff narrow bristles to tackle those tough spots. These brushes are perfect for use on a variety of firearm components, including AR Bolt Carrier Groups, bolt faces, actions, pistol slides, revolver cylinders and AR Bolts. With ProShot's brushes, you can efficiently remove fouling and maintain optimal performance for all your gun parts.