Nosler Defense handgun ammunition is loaded up front with the Bonded PERFORMANCE line of bonded-core defense bullets. Bonded PERFORMANCE bullets are designed for high weight retention and maximum barrier penetration. Constructed with a tapered jacket and specially engineered core, Bonded PERFORMANCE bullets exhibit predictable expansion and straight-line penetration in a variety of media. Loaded with high-performance powder charges in Nosler brass, every round of Nosler DEFENSE ammunition is visually inspected to ensure reliability. Series Handgun Caliber 9mm Luger Application Home Defense Bullet Type Bonded Performance Jacketed Hollow Point Bullet Weight 124 gr Muzzle Energy 396 ft lbs Boxes Per Case 10 Rounds Per Box 20 Casing Material Brass Muzzle Velocity 1200 fps Unit Of Measure box