This unique, one-step concentrated solvent is all you need to keep your handguns, rifles, and shotguns in pristine condition. It’s crafted to be safe, quick, and easy to use without any abrasion, ensuring the bore surface remains unharmed. The MC-7 formula is designed to tackle all types of fouling, offering a deep clean and conditioning in a single step. Available in a convenient 4 fl oz size, this product is a testament to quality and efficiency, made with pride in the USA.WARNING: This product may contain chemicals 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.