Ammo Specifications Caliber: 45 Auto Bullet Type: XTP (Extreme Terminal Performance) Bullet Weight: 200 GR Quantity: 20 rounds High Performance Hornady Bullets This Hornady Custom pistol ammo is loaded with the famous Hornady XTP (Extreme Terminal Performance) bullet. The XTP is supremely accurate, and delivers maximum knockdown power. Select Cases Hornady produces most of the brass for Hornady Custom pistol ammo. All other brass is chosen to ensure it meets Hornady's unusually high standards for reliable feeding, corrosion resistance, proper hardness and the ability to withstand maximum chamber pressures. Powder Each cartridge is loaded to ensure optimal pressure, velocity and consistency from lot to lot. Primers Like the powder, each primer is carefully matched to individual loads, and specifically selected for their ability to quickly, completely, and reliably ignite the powder charge. The XTP(R) (eXtreme Terminal Performance) Bullet Controlled expansion to 1.5x its original diameter over a wide range of velocities. Heavier jacket stands up to the high pressures and velocities of the highest performance handgun cartridges.