Federal WF133 BBB Speed-Shok Waterfowl Shotshell 12 GA, 3-1/2 in, No. BBB, 1-3/8oz, 4.94 Dr, 1550 fps, 25 Rnd per Box.

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.