Quantity in Stock: Breakthrough AR15 / M16 / M4 - .223 Cal / 5.56mm Nylon Bolt Carrier Brush (#8-32)
- Fits AR15 .223/5.56 bolt carriers for precision cleaning
- Stiff nylon bristles easily attack heavy fouling
- Rugged brass core
- #8/32 thread for attachment to Breakthrough Clean stainless steel rods
