Winchester Ammo Centerfire Handgun Reloading 40 S&W .400 165 Grain 100 Bullets. 400 165 gr Full Metal Jack WB40TC165X is a great reloading bullet that is ideal for target shooting and plinking. This .400 caliber 165 grain full metal jacket bullet has a truncated cone shape that reduces drag and provides greater stopping power. The hard copper coating on this Winchester Ammo projectile guarantees accuracy and heavy target use. For a great way to make sure you are shooting with one of the best rounds the shooting industry has to offer choose the Winchester Ammo Centerfire Handgun Reloading 40 S&W .400 165 gr Full Metal Jack. Specifications for Winchester Ammo Centerfire Handgun Reloading 40 S&W .400 165 Grain: Manufacturer: Winchester Bullet Type: Full Metal Jacket Truncated-Cone (TCFMJ) Caliber: .40 S&W Bullet Weight: 165 grain Diameter: 0.4 in Core Material: Lead Jacket Material: Copper Bullet Quantity: 100 Bullet Fabric/Material: Copper Package Contents: Winchester Ammo Centerfire Handgun Reloading 40 S&W .400 165 Gr Full Metal Jack WB40TC165X Winchester WB40TC165X: Ammo Centerfire Handgun Reloading 40 S&W .400 165 Grain 100 Bullets