Breakthrough Clean Nylon Bristle Bore Brush has a rugged brass core. Its stiff nylon bristles easily attack heavy fouling. Standard #8-32 thread (standard shotgun #5/16-27 thread on .410/28g/20g/12g)
Specifications
- Material: Brass Core
- Bristle Type: Nylon
- Thread Pattern: #8-32
Breakthrough Clean | MPN: BT40NBB | UPC: 852712005824