You will find that the brushes produced by Otis will give you many times the life of most brushes. Each 2 pack contains one bronze and one nylon bore brush. Otis caliber-specific brushes are...
Gun Nylon Brush .243/6mm - Effectively Remove Fouling from Gun Barrels - Will not harm or scratch steel - Durable and reusable - Industry standard 8-32 male thread 5-40 for .17 Cal. & .204 Cal. -...