(Tippman) The Heavy Duty Paint Pellet Marking Pistol is a fast, easy way to mark livestock from afoot, horseback, or vehicle. Ideal for marking sick animals, taking inventory, or when sorting for roundup or auction. Powered by under-barrel 12 gm CO2 propellant (purchase separately). Metal trigger punctures CO2 on the first pull. Self-locking magazine clip holds 7 marking paint pellets (purchase separately) which break on impact without harming the animal. Quick release magazine system. External velocity adjuster. Pistol comes with maintenance kit and carry case. Model T120001.