Hevi-shot's hevi-hammer has density which it's secret sauce.It leads to tighter patterns, higher speeds and more knockdown power.In short, it increases our chance of success in the field.It casts bismuth pellets, alongside tungsten pellets.Shot Material: Bismuth, TungstenGauge: 12 GaugeLength: 3"Ounces: 1 1/4 ozShot Size: 2Muzzle Velocity: 1500 fpsRounds Per Box: 25Boxes Per Case: 10Application: WaterfowlHazair: YesAmmunition cannot be shipped to a P.O. Box, please use a physical address during checkout. For restricted state buyers (CT, IL, MA and NJ), please email a copy of your state's credentials, and a photo ID along your order number to ffl@firearmsdepot.com&nbsin 5 business days to avoid cancellation and refunding your order. For California and New York buyers, please have your dealer email us a copy of their FFL or Ammo Vendor License along with your order number to ffl@firearmsdepot.com within 5 business days to avoid cancellation and refunding your order. Your order will not ship without us receiving this information. Thank you for your cooperation