The Cor-Bon 45 Auto +P 185gr DPX is a high-performance handgun ammunition designed for self-defense. This cartridge features a homogenous solid copper projectile, which provides superior penetration and expansion capabilities. The 45 Auto +P caliber offers a significant increase in velocity and energy compared to standard loads. With a bullet weight of 185 grains and a velocity of 1075 feet per second, this ammunition is capable of delivering impressive results on target. The 20-round box is convenient for training or self-defense purposes. Fast shipping ensures that you can get your hands on this ammunition quickly. Product Features and Specifications: Caliber: 45 Auto +P Bullet Wt.: 185gr Velocity: 1075fps Energy: 475ftlbs Test Barrel Length: 5.0 Inches Rounds per box: 20