The nosler partition was the first bullet loaded in the federal premium line, and it continues to be a standard for consistency and reliability.Its partitioned lead core allows the front half of the bullet to mushroom on impact, but keeps the back half intact for deep penetration.Caliber: 300 WSMBullet Type: Nosler Partition (NP)Bullet Weight: 180 grMuzzle Energy: 3549 ft lbsMuzzle Velocity: 2980 fpsRounds Per Box: 20Boxes Per Case: 10Application: Big GameCasing 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