Stretch the range of steel. Federal Premium Ultra Steel blends the rear-opening FLITECONTROL FLEX wad with a payload of our best zinc-plated steel, producing extremely tight patterns and extending effective range. Specifications and Features: Gauge: 12 Gauge Shot Size: BB and 2 Shotshell Length: 3-1/2in / 89mm Muzzle Velocity: 1500 Type: Steel Shot Weight: 1 1/2 oz Payload Pellets: 147 Density: 7.8 g/cc Package Quantity: 25 Usage: Waterfowl