Tetra Gun Nylon Brush .243/6mm Brass Core
Nylon will not harm your barrel. Tightly wound precision brass core brushes effectively remove fouling from gun barrels.
Industry standard 8-32 male thread - 5-40 for .17 Cal. & .204 Cal.
5/16-27 male thread -12,20,28 & 410 Gauge
Close tolerance specifications for perfect bore fit
Will not harm or scratch steel
Durable and reusable
