Atomic 00454 Defense 9mm +P Luger 124 Gr Bonded MHP 20 Per Box Atomic Ammunition's 9mm +P Ammunition Is Designed To Hit Hard, Penetrate Deep And Shed petals During Expansion. The Loss Of petals Allows For Additional Wound Paths Increasing The Likelihood Of Striking a Nearby Blood Vessel, Organ Or Central Nervous System All While Reducing The Core Weight To Protect Against The Danger Of Over-Penetration. It Is Assembled To Exact specifications With Commercial Grade Machinery And Is Designed To Deliver The Accuracy That Precision Shooters Demand. Caliber: 9mm Luger Bullet Type: Bonded Match Hollow Point Bullet Weight: 124 Gr Muzzle Energy: 465 ft Lbs Muzzle Velocity: 1300 Fps Rounds Per Box: 20 Boxes Per Case: 10 Casing Material: Brass Rating: +P