Breakthrough Clean Phosphorus Bronze Brush for AR .223cal/5.56mm Bolt Carrier

- 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)
- Caliber: 12 Gauge, 20 Gauge, 28 Gauge, 410 Bore,.22 Cal,.243 Cal / 6mm,.25 Cal / 6.5mm,.270 Cal /.284 Cal / 7mm,.30 Cal,.357 Cal /.38 Cal / 9mm,.40 Cal,.44 Cal /.45 Cal,.50 Cal, AR15 / M16 / M4, AR10