Cotton Bore Mops - Cotton Bore Mop 20 Caliber 12 Pack

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 orJ-B(R) Compound. Mfg: Brownells SPECS: Cotton. .17 & .20 cal. - Brass shank and coupling. 3A 1/4'''' (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. 3A 1/4'''' long, 8-32 thread. Shotgun - Steel shank, aluminum coupling