Chemically-treated cloth effectively attacks lead and copper bore deposit and removes them with only a few passes. Adds luster to nickel and stainless steel surfaces. Instantly removes carbon residue/powder fouling from the face of revolver cylinders and lead/plastic fouling in shotgun barrels.
Big Book Catalog, Issue:73, Page:362
Big Book Catalog, Issue:73, Page:364
Sinclair, Issue:5B, Page:149