Underwood Ammo .44 Remington Magnum 220 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds. Specifications for Underwood Ammo .44 Remington Magnum 220 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition: Manufacturer: Underwood Ammo Caliber: .44 Remington Magnum Number of Rounds: 20 Bullet Type: Monolithic Bullet Weight: 220 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1530 ft/s Muzzle Energy: 1144 ft-lbs Application: Hunting Package Type: Box Primer Style: Centerfire Lead Free: Yes Package Contents: Underwood Ammo .44 Remington Magnum 220 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo Underwood Ammo 841: .44 Remington Magnum 220 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds