Winchester Ammo Centerfire Handgun Reloading 40 S&W .400 180 Gr Jacketed Hollow. 400 180 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 40 S&W .400 180 Gr Jacketed Hollow WB40HP180D: Manufacturer: Winchester Bullet Type: Hollow Point (HP) Jacketed Hollow Point (JHP) Caliber: .40 S&W Bullet Weight: 180 grain Quantity: 1 Core Material: Lead Condition: New Fabric/Material: Copper Winchester Ammo Centerfire Handgun Reloading 40 S&W .400 180 Gr Jacketed Hollow WB40HP180D