EZ Clean 2 Foaming Bore Cleaner helps clean black powder, copper, and brass fouling as well as removing sabot residue. The foaming action cleans deep into the bore and the easy-to-use spray can allows for precise application. This cleaner will help reduce your cleaning time and is odorless as well as ammonia-free. May take off certain finishes like lacquer, oil, varnish, and shellac.