Breakthrough durable Bolt Carrier Brush is for effective cleaning without damaging your bore. The twisted brass core keeps brush rigid and has a deeper cleaning action than Nylon brushes. The brush has a standard #8-32 thread. One per package.
Specifications:

Type
Size
Quantity
Bristle Type	Phosphor Bronze
Length	3"
Includes
Material	Brass
Tip Feature
Battery
Thread Pattern	#8-32
Protects
Suitable For
Eco-Friendly