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)
Thread Pattern: #8-32
Bristle Type: Nylon
Material: Brass Core
Thread Pattern: #8-32
Bristle Type: Nylon
Material: Brass Core