A brush kit designed for the AR-15 is now available to take all the guesswork out of cleaning. These brushes, made by Iosso Products, are fitted to tolerance for precise cleaning. The kit contains three brushes: the upper receiver brush, chamber brush and bolt brush. The upper receiver brush fits the receiver of the AR-15 and the AR-10. The chamber brush and bolt carrier brush have two steps so that they fit snugly into the areas to be cleaned. When used with the Iosso Bore Cleaner and Iosso Gun Oil, it will remove nasty carbon burn and all other fouling.