Liberty's patented lead-free high performance ammunition combines a significantly flatter trajectory, immediate synchronous spin, optimization for gyro stability and yaw independence contribute to superior ballistic coefficients and improved accuracy extended range.The 50-grain 9mm civil defense round reaches velocities over 2000 fps with more than 450 fpe kinetic energy.At 25 meters, liberty ammunition civil defense achieves less than 2 inches of dispersion.In ballistic gel, this round has achieves 12 inches of penetration and a permanent wound cavity greater than 5 inches in diameter.This translates in to a faster, more powerful round capable of catastrophic wound damage with 16% less felt recoil.For use in +p rated (standard weapon) firearms.Rating: +PCaliber: 9mm LugerBullet Type: Hollow Point (HP)Bullet Weight: 50 grMuzzle Energy: 450 ft lbsMuzzle Velocity: 2000 fpsRounds Per Box: 20Boxes Per Case: 50Application: Performance,ProtectionCasing Material: BrassBullet Coating: 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