This defensive load is an amazing personal defense load. Made to standard pressure and velocity, it allows very quick follow up shots while using Doubletap's new bullet design to penetrate 15 and expand to .65 every time! Features:Caliber: 9mmBullet: 124gr. DoubleTap Jacketed Hollow PointSpecifications:Model: Colt DefenseCaliber: 9MMGrain Weight: 124GrType: Jacketed Hollow PointUnits per Box: 20Muzzle Velocity: 1110 fps Rounds Per Box: 20