The Breakthrough Clean Technologies® .308 Cal & 7.62mm Bolt Carrier Brush is designed for deep, precision cleaning of AR-10 .308 bolt carriers. Featuring stiff nylon bristles, this brush effectively removes heavy carbon buildup and fouling, ensuring smooth firearm performance. The rugged brass core adds durability, while the #8/32 thread allows for easy attachment to Breakthrough Clean Technologies® stainless steel rods. A must-have for maintaining your AR-10's reliability and longevity.
| Model | BT-308NBCB-AR |
| Type | Brush |
| Intended Use | Precision cleaning of AR-10 .308 caliber and 7.62mm bolt carriers |
| Bristle Material | Nylon |
| Core Material | Brass |
| Thread Size | #8/32 |
