This hyperformance is a high-velocity, low-recoil, bottle-necked round with a history of personal defense carbine and semiautomatic pistol use.Caliber: 5.7x28mmBullet Type: Tipped Hollow Point (THP)Bullet Weight: 40 grMuzzle Velocity: 1750 fpsRounds Per Box: 50Boxes Per Case: 10Application: Home DefenseCasing Material: BrassHazair: 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 [email protected] 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 [email protected] 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