Federal Speed-Shok 16 Gauge Shotgun Ammunition is a waterfowl load. This non-toxic shot shell is made specifically for waterfowl hunting or upland game hunting in areas where non-toxic shot is required. Speed-Shok loads are made with uniformly round pellets for tighter shot patterns. The formulated powder gives the load added knockdown power. A gas sealing wade has a high density for maximum performance and efficiency.