Description Pro-Shot Products 20 Gauge Shotgun Bore Brush Brass Core and Bronze Bristles. Oversized for Durability and Added Cleaning POWER! Construction consists of a Brass Core with Bronze Bristles and a looped end. This Benchrest high quality type of construction makes it the finest brush available for shotguns. Standard American Shotgun #5/16-27 thread. Pro-Shot Products item # 20S WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.
