Aguila Personal Defense Features Born from years of engineering and countless terminal ballistic tests this popular self-defense round delivers the ideal expanded diameter penetration depth and weight retention. A copper jacket provides additional strength to the lead-cored hollow point bullet. Aguila Personal Defense Specifications Brand: Aguila Model: Personal Defense Category: Centerfire Handgun Rounds Caliber: 9mm Luger Rounds Per Box: 50 Casing Material: Brass Muzzle Velocity: 1150 fps Application: Home Defense Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 124 gr