HSM Ammunition Pro Pistol .45 Colt 300 Grain Jacketed Soft Point Brass Cased Pistol Ammo 20 Rounds. The Pistol Pro ammo features premium jacketed Sierra bullets which is ideal for reliability and accuracy you can trust. Specifications for HSM Ammunition Pro Pistol .45 Colt 300 Grain Jacketed Soft Point Brass Cased Pistol Ammunition: Manufacturer: HSM Ammunition Caliber: .45 Colt Number of Rounds: 20 Bullet Type: Jacketed Soft Point (JSP) Bullet Weight: 300 grain Cartridge Case Material: Brass Application: Self-Defense Primer Style: Centerfire HSM Ammunition 45C9N20: Pro Pistol .45 Colt 300 grain Jacketed Soft Point Brass Cased Pistol Ammo