Underwood Ammo .460 S&W Magnum 360 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo 20 Rounds. Specifications for Underwood Ammo .460 S&W Magnum 360 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammunition: Manufacturer: Underwood Ammo Caliber: .460 S&W Number of Rounds: 20 Bullet Type: Hard Cast Flat Nose (HCFN) Bullet Weight: 360 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1900 ft/s Muzzle Energy: 2886 ft-lbs Application: Hunting Package Type: Box Primer Style: Centerfire Lead Free: No Package Contents: Underwood Ammo .460 S&W Magnum 360 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo Underwood Ammo 726: .460 S&W Magnum 360 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo 20 Rounds