Breakthrough Nylon Bolt Carrier Key Brush .308 7.62mm BT-308NBCB-AR

The Bolt Carrier Key Brush from Breakthrough Clean Technologies® is specifically designed to clean the Bolt Carrier Key area of AR-10 rifles. Combining strong nylon bristles with a durable brass base, it provides effective cleaning without scratching the metal, and helps remove carbon and accumulated dirt to ensure smooth gun performance.

Specifications

• Model/SKU: BT-NBCB-308
• UPC: 854325008605
• Material: Brass base + strong nylon bristles
• Compatibility: AR-10 rifles / .308 Caliber / 7.62mm
• Net weight: ≈ 0.05 lb (≈ 23 g)
• Color: Black with a brass base (Brass/Black)
• Usage: Cleaning the Bolt Carrier Key of carbon and dirt
• Country of origin: USA

Features

• Strong nylon bristles clean effectively without scratching the metal.
• A sturdy brass base provides stability during use.
• Specifically designed for AR-10 rifles and .308/7.62mm calibers.
• It helps remove accumulated carbon to ensure smooth performance.
• Lightweight and easy to use as a weapon cleaning tool.