Brownells 7mm/.30 Cal #8-32 Male Bore Mop, Pack of 3

Combining tradition and performance, this virgin wool mop holds enough cleaner to saturate the bore while conforming to rifling grooves. The solid brass shank ensures safe contact with barrel surfaces. Material composition includes wool fibers, brass shank and precision-engineered coupling components for enhanced durability and performance Length is 3.27 inches, thread size is 8-32