Magtech 357 Magnum 158 Grain Semi Jacketed Soft Point Brass Cased Pistol Ammo 50 Rounds. Specifications for Magtech 357 Magnum 158 Grain Semi Jacketed Soft Point Brass Cased Pistol Ammunition: Manufacturer: Magtech Caliber: .357 Magnum Number of Rounds: 50 Bullet Type: Semi-Jacketed Hollow Point (SJHP) Bullet Weight: 158 grain Cartridge Case Material: Brass Muzzle Velocity: 1235 ft/s Application: Hunting Package Type: Box Primer Style: Centerfire Package Contents: Magtech 357 Magnum 158 Grain Semi Jacketed Soft Point Brass Cased Pistol Ammunition Magtech 357B: 357 Magnum 158 Grain Semi Jacketed Soft Point Brass Cased Pistol Ammo 50 Rounds