- M4/16/AR15 chamber brush GI style threads
- Fits into 5.56x45 NATO chambers
- Bronze bristles to remove carbon but will not damage chamber
- Length: 3.6 in.
- Weight: 0.3 oz.
The NcSTAR AR15 Chamber Brush comes with steel bristles for locking lugs. It uses M16 GI cleaning rods (not included) to clean the .223/5.56 chamber and locking lugs.