Underwood Ammo .45 ACP +P 200 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds. Specifications for Underwood Ammo .45 ACP +P 200 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition: Manufacturer: Underwood Ammo Caliber: .45 ACP +P Number of Rounds: 20 Bullet Type: Monolithic Bullet Weight: 200 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1000 ft/s Muzzle Energy: 444 ft-lbs Application: Hunting Package Type: Box Primer Style: Centerfire Lead Free: Yes Dimensions: 1.45 X 2.65 X 3.10 in Length: 3.1 in Package Contents: Underwood Ammo .45 ACP +P 200 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo Underwood Ammo 646: .45 ACP +P 200 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds