Sierra Sports Master Pistol Bullets .45 Caliber 185 Grain JHP. This bullets has the Sierras Power Jacket and 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 185 Grain Jacketed Hollow Point: Manufacturer: Sierra Bullets Gun Type: Pistol Bullet Type: Jacketed Hollow Point (JHP) Hollow Point (HP) Caliber: .45 ACP Bullet Weight: 185 grain Sectional Density: 0.13 Projectile Caliber: .45 Caliber Bullet Quantity: 100 Bullet Country of Origin: USA Features of Sierra Bullets Sports Master Pistol Bullets .45 Caliber 185 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 185 Grain Jacketed Hollow Point Sierra 8800: Sports Master Pistol Bullets .45 Caliber 185 Grain JHP