Quantity in Stock: Breakthrough 20 Gauge Phosphorus Bronze Bore Brush (#5/16"-27)
- Durable phosphor bronze bristles for effective cleaning without damaging your bore
- Twisted brass core keeps brush rigid
- Deeper cleaning action than Nylon brushes
- Available in various calibers
- Standard #8-32 thread (Standard Shotgun #5/16-27 thread on .410/28g/20g/12g)
