Tetra Gun ProSmith 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
Specifications
- Cleaning Calibers & Gauges: .357
Engineered Materials Inc. DBA Tetra Gun | MPN: TG1008 | UPC: 053371010086