The Tipton Bore Brush Set 13-Piece includes brushes for .17, .20, .22, .243/6mm, .25/6.5mm, .270/7mm, .30, .338/8mm, .5/9mm, .375, .40, .44, and .45 caliber. Tipton Bore Brush Sets are an essential piece of regular firearm maintenance. Conveniently...