The ppu subsonic line ammunition has been in use by military, law enforcement and training because of its lower noise and lower recoil benefits.Give it a try yourself and experience the benefits firsthand and see why subsonic ammunition is gaining popularity with shooters.Caliber: 7.62x39mmBullet Type: Full Metal Jacket (FMJ)Bullet Weight: 182 grMuzzle Energy: 432 ft lbsMuzzle Velocity: 1033 fpsRounds Per Box: 20Boxes Per Case: 25Application: Tactical,TrainingCasing Material: BrassHazair: 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, 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