Shotgun and Choke Tube Cleaner is designed specially to remove fouling from barrels, choke tubes, and ports. It easily cleans receiver and trigger assemblies. Shooters Choice Shotgun and Choke Tube Cleaner quickly melts plastic wad fouling!Features : 12.5 ounce aerosol can Quickly removes plastic wad, lead and powder fouling from barrels, choke tubes and ports Removes carbon and powder from gas operating mechanism Cleans receiver and trigger groups