Doubletap's dt defense is specifically designed for your compact 40's by kel-tec, ruger, kahr, de, and taurus.This round virtually has no muzzle flash and is an excellent defensive load with excellent penetration.Caliber: 40 S&WBullet Type: Jacketed Hollow Point (JHP)Bullet Weight: 180 grMuzzle Energy: 483 ft lbsMuzzle Velocity: 1100 fpsRounds Per Box: 20Boxes Per Case: 50Application: Personal DefenseCasing 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 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