Montana X-Treme 410 Gauge Bronze Bristle Brush for Shotguns 7163

Montana X-Treme 410 Gauge Bronze Bristle Brush for Shotguns 7163. Bristles are heavy duty bronze on a brass core for confidence against accidental marring of the bore. 5/16 x 27 thread. Package Contents: Montana X-Treme Bronze Bristle Brush for Shotguns Montana X-Treme 7163: 410 Gauge Bronze Bristle Brush for Shotguns