Breakthrough Clean Phosphorous Bronze Bolt Carrier Brush .308 Win 3 for AR-Platform

Phosphorous Bronze Bolt Carrier Brush Features This durable phosphorous bronze bristled 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. Phosphorous Bronze Bolt Carrier Brush Specifications Caliber: 308 Cal Model: Phosphorous Bronze Series: Bolt Carrier Brush Material: Brass / Bronze Bristle Type: Bronze Length: 3 Gun Type: AR Platform Thread Pattern: 8-32 Units Per Pack: 1 Weight: 0.05 lbs