Description The carbon residue cleaner removes bent carbon from nitro and black fouling. The gun cleaner removes nitro, copper, and lead fouling. The gun oil protects the inside and outside of your firearm after cleaning.A pack of extra-absorbent flannelette patches is included. The patches are thick and of superb quality to deliver more cleaning agent or oil to the bore. Gunsmithy firearm cleaning fluids do not contain ammonia or any other chemical that will be harmful to any form of barrel steel. The Gunsmithy Gun Care range of products are manufactured in South Africa.