The Breakthrough Clean Phosphorus Bronze Bristle Bore Brush .25/.264/6.5mm is built to cut through stubborn fouling in small-caliber barrels. Featuring a twisted brass core packed with stiff phosphor bronze bristles, this compact brush is sized specifically for .25, .264, and 6.5mm firearms to deliver consistent contact along the bore for reliable cleaning performance.

Ideal for routine range maintenance and deep cleaning sessions, this brush threads onto standard cleaning rods to help remove heavy carbon buildup without scratching the bore. Its durable construction makes it a practical addition to any handgun or rifle cleaning kit, supporting smoother operation and easier upkeep over time. Backed by Breakthrough Clean’s focus on effective, purpose-built gun care tools, it’s a straightforward solution for keeping precision barrels in good condition.

Key Features:

• Manufacturer: Breakthrough Clean
• Model: Phosphorus Bronze Bristle Bore Brush .25/.264/6.5mm
• Caliber: .25 / .264 / 6.5mm
• Thread Pattern: #8-32
• Material: Brass Core With Phosphor Bronze Bristles