Ammo Brite - Ammunition & Brass CleanerAmmo Brite will restore your brass casings to a bright finish in minutes. 1 oz of cleaner to 10 oz hot water which effectively removes powder residue, oxidation, tarnish, discoloration, dirt and grime. This works great in a tumbler, or you can use it to hand polish. Cleans in just 5 minutes or less. Removes powder residue, oxidation, tarnish, and discoloration. Cleans inside primer pockets and inside the casings.