Introducing the bluesteel shotshells by rio specifically developed to offer a non-toxic alternative to steel that is not derived from tungsten.The rio royal bluesteel has consistent patterns in a safer, cleaner and more efficient cartridge that performs perfectly regardless of the environmental conditions and combines the knockdown power and range of a super magnum load with a modern non-toxic construction.Gauge: 12 GaugeLength: 3"Ounces: 1 3/8 ozMuzzle Velocity: 1300 fpsRounds Per Box: 25Boxes Per Case: 10Hazair: Yes