Underwood Ammo .32 ACP +P 55 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds. Specifications for Underwood Ammo .32 ACP +P 55 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition: Manufacturer: Underwood Ammo Caliber: .32 ACP Number of Rounds: 20 Bullet Type: Monolithic Bullet Weight: 55 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1050 ft/s Muzzle Energy: 135 ft-lbs Application: Target Self-Defense Package Type: Box Included Accessories: None Primer Style: Centerfire Lead Free: Yes Width: 2.2 in Dimensions: 1.20 X 2.20 X 2.65 in Height: 1.2 in Length: 2.65 in Package Contents: Underwood Ammo .32 ACP +P 55 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo Underwood Ammo 851: .32 ACP +P 55 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds