Cotton fibers really soak up cleaning solvents and oil. The natural scrubbing action of cotton helps remove loosened powder fouling. Great for applying Brownells Moly Bore Paste or
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SPECS: Cotton. .17 & .20 cal. - Brass shank and coupling. 3¼" (8.3cm) long, 5-40 thread. .22-.45 cal. - Steel shank, aluminum coupling. 2-7⁄8" (7.3cm) long, 8-32 thread. .50 cal. - Brass shank and coupling. 3¼" long, 8-32 thread. Shotgun - Steel shank, aluminum coupling. 2-7⁄8" long, 5⁄16"-27 thread.