The latest from liberty is said to leave the barrel as much as 80 percent faster than some competitors and hit harder than nearly everything in its class.This is through the use of lightweight monolithic bullets packed with an aggressive powder charge.When you consider a magazine full of 15 or 30 rounds, there's a noticeable difference, and liberty overwatch saves on loaded weight.Initial loads will be in 9 mm luger,.45 acp,.357 mag., 10 mm auto,.223 rem, and.300 blk.Caliber: 357 MagBullet Type: Open Cavity Design (OCD)Bullet Weight: 70 grRounds Per Box: 20Boxes Per Case: 50Application: Home Defense/LECasing Material: Nickel-Plated 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