Hornady's superformance uses progressive propellants that take your favorite v-max, ntx, sst, gmx, interlock, and interbond bullets to levels of performance that are simply unattainable with conventional ammunition.It use the highest quality cases and primers available which equals consistent components that translates to consistent shooting in the field.The superformance ammunition is 100 to 200 fps faster than conventional ammunition and is safe for use in all firearm types, including semi-autos, lever guns and pump actions.This 30-06 springfield load features a sst bullet with a 150 grain weight and comes packaged 20 rounds per box, 10 boxes per case.Caliber: 30-06 SpringfieldBullet Type: SSTBullet Weight: 150 grMuzzle Energy: 3159 ft lbsMuzzle Velocity: 3080 fpsRounds Per Box: 20Boxes Per Case: 10Application: HuntingCasing Material: BrassHazair: 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