Winchester Ammo Centerfire Handgun Reloading .45 Caliber .451 230 Grain Jacketed Hollow Point Pistol Bullets. 451 230 gr Jacketed Hollow - Bullets are custom-designed and manufactured to precise specifications to deliver specific on-target performance characteristics. These characteristics vary depending on bullet design. Winchester carries a variety of component bullets for both centerfire rifle and handgun ammunition. Specifications for Winchester Ammo Centerfire Handgun Reloading .45 Caliber .451 230 Grain Jacketed Hollow Point Pistol Bullets: Manufacturer: Winchester Bullet Type: Jacketed Hollow Point (JHP) Hollow Point (HP) Bullet Weight: 230 grain Quantity: 1 Core Material: Lead Condition: New Projectile Caliber: .45 Caliber Fabric/Material: Copper Package contents: Winchester Ammo Centerfire Handgun Reloading .45 Caliber .451 230 Grain Jacketed Hollow Point Pistol Bullets