Underwood Ammo .458 SOCOM 350 Grain Full Metal Jacket Brass Cased Rifle Ammo 20 Rounds. Specifications for Underwood Ammo .458 SOCOM 350 Grain Full Metal Jacket Brass Cased Rifle Ammunition: Manufacturer: Underwood Ammo Caliber: .458 SOCOM Number of Rounds: 20 Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 350 grain Cartridge Case Material: Brass Muzzle Velocity: 1650 ft/s Muzzle Energy: 2116 ft-lbs Application: Hunting Package Type: Box Primer Style: Centerfire G1 Ballistic Coefficient: 0.235 Lead Free: No Dimensions: 2.55 X 3.25 X 4.90 in Width: 3.25 in Package Contents: Underwood Ammo .458 SOCOM 350 Grain Full Metal Jacket Brass Cased Rifle Ammo What is Underwood Ammo .458 SOCOM 350 Grain Full Metal Jacket Brass Cased Rifle Ammunition good for? The manufacturer thinks that it is suitable for hunting.Underwood Ammo 461: .458 SOCOM 350 Grain Full Metal Jacket Brass Cased Rifle Ammo 20 Rounds