Winchester Super-X Handgun .40 S&W 165 grain WinClean Enclosed Base Centerfire Pistol Ammo 50 Rounds. This 40 S&W Ammo is loaded with 165-grain lead bullets in a lead-free box to eliminate airborne lead. The Winchester Handgun Ammunition uses a heavy metal free primer and a brass enclosed base to safely fire the round. With this ammunition you can feel safe about shooting in the evenings as the airborne lead will be contained in the base of the bullet. This means a clearer environment for you and your friends at the range as well as enjoying a smother shot with your handgun. No one can deny the awesome power of the Super-X Pistol Ammo. Specifications for Winchester Super-X Handgun .40 S&W 165 grain WinClean Enclosed Base Centerfire Pistol Ammunition: Manufacturer: Winchester Caliber: .40 S&W Number of Rounds: 50 Bullet Type: Jacketed Soft Point (JSP) Bullet Weight: 165 grain Cartridge Case Material: Brass Muzzle Velocity: 1130 ft/s Muzzle Energy: 468 ft-lbs Application: Recreational Shooting Personal Defense Package Type: Box Included Accessories: Standard Primer Style: Centerfire Lead Free: No Gun Type: Handgun Features of Winchester SUPER-X HANDGUN .40 S&W 165 grain WinClean Enclosed Base Centerfire Pistol Ammunition: Brass Enclosed BaseEngineered to eliminate airborne lead originating from the bullet base Lead and Heavy Metal Free PrimerPatented Winchester design eliminates airborne lead and heavy metal at the shooter's station Package Contents: Winchester SUPER-X HANDGUN .40 S&W 165 grain WinClean Enclosed Base Centerfire Pistol Ammunition