380 Ammo Features This powerful handgun ammunition is manufactured with exacting standards with the gun owner in mind. Buffalo Bore produces strictly big bore ammo with massive firepower and dramatic results. 380 Ammo Specifications Brand: Buffalo Bore Ammunition Category: Centerfire Handgun Rounds Caliber: 380 ACP Model: Pistol Rounds Per Box: 20 Casing Material: Brass Muzzle Energy: 279 ft lbs Muzzle Velocity: 1150 fps Application: Home Defense Rating: +P Bullet Type: Full Metal Jacket Flat Nose (FMJFN) Bullet Weight: 95 gr