Brownells .22 Cal/.270 Cal #8-32 Male Bore Mop, Pack of 12

With superior absorbency and a time-tested design, this bore mop made from virgin wool ensures full coverage inside the barrel. It flexes into rifling grooves naturally and the brass shank is built to avoid scratching your firearm. 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