Sierra Sports Master .45 Caliber 230 Grain JHP Rifle Bullets. This bullet has the SierrasPower Jacketand the same hollow point design as Sierras 9mm and 10mm JHP SportsMaster bullets. They are suitable also for the 45 Auto Rim and many 45 Colt cartridges. When loaded to maximum velocities this bullet is excellent for hunting up to large-size varmints and it is a very effective self-defense round. This bullet is an outstanding choice for all around use in the 45 ACP. Specifications for Sierra Bullets Sports Master Pistol Bullets .45 Caliber 230 Grain Jacketed Hollow Point: Manufacturer: Sierra Bullets Gun Type: Pistol Bullet Type: Jacketed Hollow Point (JHP) Hollow Point (HP) Caliber: .45 ACP Bullet Weight: 230 grain Sectional Density: 0.161 Country of Origin: USA Fabric/Material: Copper Features of Sierra Bullets Sports Master Pistol Bullets .45 Caliber 230 Grain Jacketed Hollow Point SportsMaster Bullets are handgun bullets designed for hunting or personal defense built for reliable expansion. Package Contents: Sierra Bullets Sports Master Pistol Bullets .45 Caliber 230 Grain Jacketed Hollow Point Sierra 8805 Sports Master 45 Caliber .4515 230 GR Jacketed Hollow Point JHP