The mach is the premier line of superior-performing shotshells.These high-end, premium shells utilize the innovative gordon case for superior performance.These shells are specifically designed utilizing quality components, satisfying even the most demanding shooter.Gauge: 12 GaugeLength: 2.75"Ounces: 1 ozShot Size: 8Muzzle Velocity: 1250 fpsRounds Per Box: 25Boxes Per Case: 10Hazair: YesAmmunition cannot be shipped to a P.O. Box, please use a physical address during checkout. For restricted state buyers (CT, IL, NJ), please email a copy of your state's credentials, and a photo ID along your order number to ffl@firearmsdepot.com within 5 business days to avoid cancellation and refunding your order. For California, Massachusetts 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