Ballistic silvertip ammunition provides hunters proven explosive impact and extreme precision.Innovation combined with engineering excellence makes ballistic silvertip the choice for those who appreciate the legendary excellence winchester is known for around the world.Caliber: 223 RemBullet Type: Polymer TipBullet Weight: 55 grMuzzle Energy: 1282 ft lbsMuzzle Velocity: 3240 fpsRounds Per Box: 20Boxes Per Case: 10Application: Predator,VarmintCasing Material: Nickel-PlatedHazair: 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