Breakthrough Clean Phosphorus Bronze Bristles Chamber Brush has durable phosphor bronze bristles for effective cleaning without damaging your bore. The twisted brass core keeps brush rigid and has a deeper cleaning action than Nylon brushes. Standard #8-32 thread (standard shotgun #5/16-27 thread on .410/28g/20g/12g). One per package.
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| Bristle Type: | Phosphor Bronze |
| Material: | Brass |
| Gun Type: | M4/M16 |
| Thread Pattern: | #8-32 |
| Length: | 3" |
| Model: | Phosphorus Bronze |
| Series: | Chamber Brush |
| Weight: | 0.05 lbs |