Breakthrough Clean .357 Cal/.38 Cal/9mm 100% Cotton Bore Mop, White - BT-357/38/9BM

The Breakthrough Clean Technologies .357/.38 Cal, 9mm Bore Mop 100% cotton Cleaning Swabs provide a soft, washable solution that effectively cleans your bore. Featuring a standard #8-32 thread (standard shotgun #5/16-27 thread on 20 or 12 Gauge).