Naked Gun VOC Compliant Gun Cleaner is formulated for use in automatic gun cleaners. It can also be used for manual gun cleaning, as well as general repair and maintenance cleaning. This product complies with SCAQMD Rule 1171 and is okay to be sold and used in CA. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.