Breakthrough Clean BT40BM Bore Mop .4010mm

The breakthrough clean.40 caliber / 10mm bore mop 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.

Thread Pattern: #8-32
Material: 100% Cotton