Brownells Double-Up Cotton Mops 37/40mm - 3 Pack

The Brownells Double-Up Cotton Mops are designed for thorough bore cleaning of 37mm and 40mm caliber firearms. Each mop features a cotton construction that effectively applies solvents and oils to the bore while capturing fouling and debris. This pack includes 3 mops, providing multiple uses before replacement. Compatible with standard cleaning rods and handles designed for 37/40mm bores.