Underwood Ammo .40 S&W 180 Grain Full Metal Jacket Nickel Plated Brass Cased Pistol Ammo 50 Rounds. Specifications for Underwood Ammo .40 S&W 180 Grain Full Metal Jacket Nickel Plated Brass Cased Pistol Ammunition: Manufacturer: Underwood Ammo Caliber: .40 S&W Number of Rounds: 50 Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 180 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1100 ft/s Muzzle Energy: 484 ft-lbs Application: Hunting Package Type: Box Primer Style: Centerfire Lead Free: No Package Contents: Underwood Ammo .40 S&W 180 Grain Full Metal Jacket Nickel Plated Brass Cased Pistol Ammo Underwood Ammo 227: .40 S&W 180 Grain Full Metal Jacket Nickel Plated Brass Cased Pistol Ammo 50 Rounds