Liberty Ammunition Civil Defense .357 SIG 50 Grain HP Brass Case Centerfire Pistol Ammo 20 Rounds Box LA-CD-357 Sig-053. 357 SIG 50 grain Hollow Point Centerfire Pistol Ammunition: Manufacturer: Liberty Ammunition Caliber: .357 SIG Number of Rounds: 20 Bullet Type: Hollow Point (HP) Bullet Weight: 50 grain Cartridge Case Material: Brass Muzzle Velocity: 2300 ft/s Muzzle Energy: 587 ft-lbs Application: Personal Protection Package Type: Box Included Accessories: Standard Primer Style: Centerfire Lead Free: Yes Gun Type: Handgun Features of Liberty Ammunition Civil Defense 50grain 357 Sig Ammunition Box of 20 Lead Free Copper Monolithic and Nickle Plated. 20 rounds per box. Package Contents: Liberty Ammunition Civil Defense 50grain 357 Sig Ammunition Box of 20 Liberty Ammunition LA-CD-357 Sig-053: Civil Defense .357 SIG 50 Grain HP Brass Case Centerfire Pistol Ammo 20 Rounds Box