Pro-Staff .308 - .30-06 Caliber Chamber Brush Fits: .22-250, 6BR, .270 Caliber, 7mm-08, 7mm Mauser, .308, .30-06. (.30 Caliber ) Designed for competition shooters to withstand frequent use. Like our bore brushes, the chamber brush is also made to last with a brass core, looped end, and bronze bristles. American Standard # 8-32 thread This is a manufacturer's picture, so the item may not be exactly as it appears in the picture
