Whether for practice, target shooting or training exercises, umc ammunition is a superb choice for high volume shooting.The ammunition is non-corrosive, in boxer primed, with reloadable brass cases.This 300 blackout load has a 220 grain weight and comes in a value pack of 50 rounds per box, 8 boxes per case.Caliber: 300 BlackoutBullet Type: Open Tip Flat Base (OTFB)Bullet Weight: 220 grMuzzle Energy: 503 ft lbsMuzzle Velocity: 1015 fpsRounds Per Box: 50Boxes Per Case: 8Application: Varmint,Target,TrainingCasing 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