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.
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| Bristle Type: | Bronze/Steel |
| Gun Type: | MSR |
| Thread Pattern: | #8-32 |
| Caliber: | 223 Cal |
| Model: | MSR |
| Series: | Chamber Brush |