2½" (6.3cm) long, 5 40 male thread.. 2 7⁄8" (7.3cm) long, 8 32 thread. The natural spring of wool helps the mop conform easily to rifling grooves; the looped and twisted brass shank and coupling won t scratch the bore. 3¼" (8.3cm) long, 5 40 thread. Cotton bore mops 35/38 cotton bore mop, pkg Shotgun 2 7⁄8" (7.3cm) long, 5⁄16" 27 thread. Wool, brass shank and coupling. Rifle/Pistol 3¼" (8.3cm) long, 8 32 thread except for .17 cal. A classic favorite for gun cleaning; virgin wool mop holds lots of bore cleaner or oil, so both ends of the barrel get thoroughly coated. Cotton fibers really soak up cleaning solvents and oil. For .177 caliber airguns and .17 caliber centerfires. For .177 caliber airguns .17 caliber rimfires and centerfires.

The natural scrubbing cotton bore mops 50 cal cotton bore mop, 12 pak action of cotton helps remove loosened powder fouling. Great for applying Brownells Moly Bore Paste orJ B Compound. All cotton bore mops 410 bore cotton bore mop, pkg cotton material wound on twisted brass wire with a closed loop end. Fits Dewey and Outers small caliber rods. Steel shank, aluminum coupling. For .204 Ruger and .20 caliber wildcats.