Buffalo Bore Ammunition Tactical 357 Mag 125 Gr Jacketed Hollow Point. For those who wish to carry a 357 magnum revolver for potential "conflict resolution" these Buffalo Bore loads put an end to the "tactical" drawbacks associated with regular 357 magnum ammo. It is great for use in longer barreled firearms too. Specifications for Buffalo Bore Ammunition 19G/20 Tactical 357 Mag 125 Gr Jacketed Hollow Point (J: Manufacturer: Buffalo Bore Ammunition Caliber: .357 Magnum Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 125 grain Cartridge Case Material: Brass Muzzle Velocity: 1225 ft/s Application: Protection Primer Style: Centerfire What is Buffalo Bore Ammunition 19G/20 Tactical 357 Mag 125 Gr Jacketed Hollow Point (J good for? The manufacturer says that it is good for protection.