Those who hunt game that hunts back trust their lives to federal premium swift a-frame loads.The bonded front core and progressively tapered jacket produce controlled expansion and energy release.The design stops expansion at its optimum point and maintains a longer shank for deep penetration.Caliber: 416 RigbyBullet Type: Swift A-Frame (SWFR)Bullet Weight: 400 grMuzzle Energy: 4905 ft lbsMuzzle Velocity: 2350 fpsRounds Per Box: 20Boxes Per Case: 10Application: Hunting,SafariCasing 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 [email protected]&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 [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