Birchwood Casey MSR Chamber Brushes helps remove copper, carbon and lead fouling form rifle chambers. Thread size 8-32. Bronze bristles scrub the chamber, neck and shoulder of a MSR. The steel bristles at the base scrub the star chamber of the locking lugs on a MSR.
| FireArm | No |
| Material | Bronze/Steel |
| Bristle Type | Bronze/Steel |
| Thread Pattern | #8-32 |
