Description Speed kills ducks and geese. Now it kills even cleaner with redesigned Federal Speed-ShokÂ. Its Catalyst⢠lead-free primer and fast-burning powder dramatically reduce residue, while its optimized velocities knock birds out of the sky.PRODUCT DETAIL:Gauge: 20 Gauge Muzzle Velocity: 1550 FPS Shot Size: 3 Shell Length: 3â Use: Large Ducks Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.