Atomic Ammunition Atomic Ammo 9mm Luger Subsonic 147gr. Bonded Jhp. 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. Assembled to exact specifications with commercial grade machinery Atomic Ammunitionis designed to deliver the accuracy that precision shooters demand and do it all at a price that you can afford. Specifications for Atomic Ammunition Atomic Ammo 9mm Luger Subsonic 147gr. Bonded Jhp: Manufacturer: Atomic Ammunition Caliber: 9mm Luger Number of Rounds: 50 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 147 grain Cartridge Case Material: Brass Muzzle Velocity: 900 ft/s Muzzle Energy: 264 ft-lbs Application: Self-Defense Package Type: Box Included Accessories: None Primer Style: Centerfire Lead Free: No Dimensions: 1.95 X 2.85 X 4.70 in Package Contents: Atomic Ammunition Atomic Ammo 9mm Luger Subsonic 147gr. Bonded Jhp 50-pack