Armscor usa ammunition line is made in the usa.The company offers a wide selection of competitively priced ammunition and components with sales spread throughout the world.Armscor complies with the saami, cip and other military or customer desired standards or requirements.Armscor cartridges and components are widely used by the police, military, gun hobbyist, combat shooters and other shooting enthusiast due to its high quality, precise and dependable performance.Caliber: 223 RemBullet Type: PSP Interlock BTBullet Weight: 55 grMuzzle Energy: 1323 ft lbsMuzzle Velocity: 3100 fpsRounds Per Box: 20Boxes Per Case: 50Casing 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 ffl@firearmsdepot.com 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 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