Brownells 6.5mm #8-32 Male Double-Tuff Bore Brush, Pack of 12

Extra-thick, kinked phosphor bronze bristles deliver the aggressive scrubbing power needed to break through even the most stubborn fouling in your bores. While these brushes require some force to push through, the cleaning results are well worth the effort. The durable bronze bristles are tough on carbon but safe for your bore, making them ideal for removing heavy carbon buildup without causing damage. Phosphor bronze bristles with enhanced thickness Precision-engineered steel, meticulously looped and expertly wound to form a robust shank structure