Carb-Out dissolves and removes carbon on contact! It’s easier to use and is considerably less messy. It has no complicated method of application. You simply put it on a patch or a mop and swab it thru the barrel. No Muss No Fuss! Carb-Out leaves behind a protective coating that prevents future carbon adherence. This coating is less than 100th of a micron in thickness, it will not affect first shot accuracy. Carb-Out has been designed to be a maximum strength product for dissolving carbon without brushing. In our testing we found that Carb-Out was capable of dissolving more carbon fouling than any product currently on the market. This product has been designed to be totally brushless, and the strongest formula available.