WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
I bought this to try on my firearms and I must say it works as advertised. Shines and polishes the bore and chamber very well. Very easy to use. I use a properly sized bore mop and get good coverage this way.