Breakthrough Nylon Bristle Bore Brush features stiff nylon bristles that easily attack heavy fowling. It has a rugged brass core and a Standard #8-32 thread (standard shotgun #5/16-27 thread on .410/28g/20g/12g). One per package.
| Material | Brass |
|---|
| Bristle Type | Nylon |
|---|
Determined at checkout.
