Description Effectively cleans and neutralizes the harmful fouling in the bore from black powder and black powder substitutes. Helps to remove plastic, copper and lead deposits that could effect the accuracy of your rifle. Micro thin layer of protectant is left in the bore to prevent rust and corrosion. Foam penetrates even the most caked on fouling and eliminates the need to brush your barrel. Simply spray into your barrel and let stand for one hour. Wipe your barrel clean. 7 Ounce Can. Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.