Cor-Bon DPX Features The .45 ACP+P rounds are engineered to achieve a higher velocity with a speed of 1150 feet per second and an energy level of 543 ft-lbs. The Jacketed Hollow Point design ensures rapid expansion upon impact maximizing stopping power while reducing the risk of over-penetration. The brass casing material is high quality and durable making the rounds reliable for use in various firearms. The Boxer primer ensures consistent ignition and the cases are reloadable adding value for those who reload their ammunition. Cor-Bon DPX Specifications Brand: Cor-Bon Bullet Type: Jacketed Hollow Point (JHP) Caliber: .45 ACP+P Case Material: Brass Case Pack: Boxed Energy: 543 ft-lbs Grain: 185 gr Package/Packing: Box Primer: Boxer Reloadable Case: Yes Rounds: 20 Velocity: 1150 fps