Speed kills ducks and geese. Now it kills even cleaner with redesigned Speed-Shok. Its Catalyst primer and faster burning powders dramatically reduce residue, while its optimized velocities knock birds out of the sky. New and improved loads Faster-burning, cleaner propellant leaves drastically less residue in the barrel and action Catalyst high-performance primer provides the most complete, consistent ignition possible Optimized velocities Mfg: Federal