Brownells .270 Cal #8-32 Male Bore Mop, Pack of 3

Known for its effectiveness, this virgin wool bore mop carries plenty of cleaner or oil to cover the full barrel length. The springy wool hugs the rifling and the non-marring brass shank and coupler protect your bore. 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