Bore Mop for 20 Gauge Features 100% cotton cleaning swabs are soft,washable and effective in getting your bore clean. Standard #8-32 thread (Standard Shotgun #5/16-27 thread on 20g/12g). Available for most gauges and rifle calibers. Bore Mop for 20 Gauge Specifications 100% cotton cleaning swabs are soft,washable and effective in getting your bore clean. Standard #8-32 thread (Standard Shotgun #5/16-27 thread on 20g/12g) Available for most gauges and rifle calibers. More Information Condition New in Box Manufacturer Breakthrough Clean Manufacturer Part Number BT-20GBM Model Bore Mop for 20 Gauge Type Brushes, Rods & Accessories UPC 855525007450
