The Breakthrough Clean Technologies® Nylon Bolt Carrier Brush is specifically designed for precision cleaning of AR-15 .223 caliber and 5.56mm bolt carriers. Its stiff nylon bristles effectively remove heavy fouling without scratching or damaging the firearm's finish. The rugged brass core ensures durability, while the #8-32 threading allows for easy attachment to Breakthrough Clean stainless steel rods. This brush is an essential tool for maintaining the performance and longevity of your AR-15.
| Caliber | .223 / 5.56mm |
| Thread Size | #8-32 |
| Material | Nylon bristles with brass core |
