IOSSO AR-308 Brush Kit, 4 brush pack

This kit contains an Upper Receiver Brush, Bolt Carrier Brush, Chamber Brush and .308 (7,62 mm) Bore Brush. They are sized to close tolerance for precision cleaning.

Thread: 8-32 male

The brushes are made out of a distinctive blue fiber, which is thick, stiff and holds it’s shape well. This allows for back and forth action unlike traditional brass and bronze type brushes. They may be used several times before becoming worn.