{"product_id":"birchwood-casey-msr-chamber-brushes-223-5-56mm","title":"Birchwood Casey MSR Chamber Brushes .223\/5.56mm","description":"\u003cb\u003eBirchwood Casey MSR Chamber Brushes .223\/5.56mm\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eBirchwood 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. \r\n\r\nFeatures:\r\n\r\n- Helps remove copper, carbon and lead fouling form rifle chambers\r\n\r\nSpecifications:\r\n\r\n- Type Bristle: Bronze \r\n- Thread size: 8-32\r\n- Caliber: 5.56\/.223\u003cbr\u003e\u003cbr\u003eMaker: Birchwood Casey\u003cbr\u003e\u003cbr\u003eModel: 41284","brand":"Birchwood Casey","offers":[{"title":"41284 \/ Gun Care - Brushes, Rods \u0026 Accessories \/ Birchwood Casey","offer_id":43124221083753,"sku":"11231656","price":2.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8341\/4377\/files\/FI_1033081.jpg?v=1777420085","url":"https:\/\/westerngunstore.com\/products\/birchwood-casey-msr-chamber-brushes-223-5-56mm","provider":"Western Gun Store","version":"1.0","type":"link"}