Shooter's Choice Quick Scrub III (Item #DG315) removes fouling for trouble-free actions and precision trigger pulls, without disassembling the firearm. Recommended for all conventional firearms and Black powder firearms. Removes residue from firearm actions, trigger group without the disassembly of firearm.Dissolves residues and powder buildup from firearms.Actions run smooth even in cold weather. The products offered for sale on this page can expose you to chemicals, including Benzene, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.