Birchwood Casey MSR Chamber Brushes helps remove copper, carbon and lead fouling from 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.
- Brand: Birchwood Casey
- Category: Barrel Cleaning Tools
- Caliber: .223 Rem/5.56 NATO
- Model: Chamber Brush
- Gun Type: MSR
- Thread Pattern: 8-32"
- Bristle Type: Bronze / Steel
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