Underwood Ammo 9mm Luger +P 147 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo 20 Rounds. Specifications for Underwood Ammo 9mm Luger +P 147 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammunition: Manufacturer: Underwood Ammo Caliber: 9mm Luger +P Number of Rounds: 20 Bullet Type: Hard Cast Flat Nose (HCFN) Bullet Weight: 147 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1100 ft/s Muzzle Energy: 395 ft-lbs Application: Large Game Medium Game Package Type: Box Primer Style: Centerfire Sectional Density: 0.17 Lead Free: No Width: 2.2 in Gun Type: Handgun Length: 2.65 in Height: 1.3 in Dimensions: 1.30 X 2.20 X 2.65 in Package Contents: Underwood Ammo 9mm Luger +P 147 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo Underwood Ammo 719: 9mm Luger +P 147 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo 20 Rounds