New  Gun Cleaning .50 Cal .54 Caliber Rifle Barrel Cleaner We provide 20 Calibers of cleaners, Welcome for retail and wholesale Buyer Can get a faster shipping service ( E-packet, 7~12 working days delivered , for USA only ) if you can order 20 pcs or more at one time ; Weight : about 30g~70g per unit ; Almost all of my customers are satisfied with the quality of the products ; The World&#39; s Fastest Gun Bore Cleaner ; Cleans gun bores in 10 seconds ;