Dewey M-37/40mm Replacement Mop

This Dewey replacement mop is sized for 37mm and 40mm launchers, fitting the M-37/40mm rod system for applying solvent or oil evenly through these larger bores. It’s a specialized restock item for armorers and collectors maintaining 37mm/40mm equipment. Keeping a spare mop on hand ensures cleaning never stalls due to a worn-out attachment.