Product Info
TF1047
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