Winchester Ammo Centerfire Handgun Reloading 40 S&W .400 165 Gr Truncated Cone 500 Per Box 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. Bullet Type: Truncated Cone Bullet Diameter: .400 Weight: 165 Gr Core Material: Lead Quantity: 500 Per Box