SHOTGUN BARREL SWEEP is primarily designed to focus its cleaning on lead, powder, and plastic wad residue in shotgun barrels. SHOTGUN BARREL SWEEP is also designed to aid in the cleaning of forcing cones, semi-auto gun ports and chokes.This product takes shotgun cleaning to the next level with the focused removal of unwanted elements to keep you shooting for longer without having to worry about excessive fouling that might hamper equipment. SHOTGUN BARREL SWEEP was designed with the ultimate shotgun marksman in mind - why spend time at the cleaning bench when you can spend it on the range?"BRING FORTH THE MARKSMAN in you"