UPC # 90255832716Manufacturer Information: Hornady Manufacturing introduces Zombie Max ammunition. Be prepared - supply yourself for the Zombie Apocalypse with Zombie Max ammunition, loaded with proven...yes, proven Z-Max bullets ...(have you seen a Zombie?). Put the dead to rest for good - visit a major sporting goods retailer near you to outfit yourself with Zombie Max ammunition. THIS IS not a toy. It is intended only to be used on zombies, also known as the living dead, un-dead, etc. No human being, plant, animal, vegetable or mineral should ever be shot with Zombie Max ammunition. Again, we repeat, Zombie Max ammunition is for use on zombies only - that's not a nickname, phrase or cute way of referring to anybody, place or thing. When we say zombies, we mean zombies. Product Specifications: Caliber:223 Remington/5.56 NATO Bullet Type:Z-Max Bullet Weight:55 GR Muzzle Energy:1282 ft lbs Muzzle Velocity:3240 fps Rounds Per Box:20 Boxes Per Case:10 Application:Large Game Casing Material:Brass