Atomic Ammunition Atomic Ammo .44 Rem. Magnum 240gr. Match Bonded Hp 50-pack. These bullets regularly expand to .75 inches retain 99percent of their original mass and penetrate more than 18 inches of ballistic medium. At Atomic Ammunitionwe know that you carry and use real guns not test barrels. All of our external ballistic information is obtained from tests using common firearms that you are likely to own and use not inflated misleading information from test barrels. We feel that this is the most accurate and useful information for our customers so it is the only information that we provide. Specifications for Atomic Ammunition Atomic Ammo .44 Rem. Magnum 240gr. Match Bonded Hp 50-pack: Manufacturer: Atomic Ammunition Caliber: .44 Remington Magnum Number of Rounds: 50 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 240 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1500 ft/s Primer Style: Centerfire Dimensions: 1.85 X 2.95 X 5.80 in Package Contents: Atomic Ammunition Atomic Ammo .44 Rem. Magnum 240gr. Match Bonded Hp 50-pack