Winchester Super-X Handgun .40 S&W 155 grain Silvertip Jacketed Hollow Point Centerfire Pistol Ammo 20 Rounds. 40 S&W 155 grain Silvertip Jacketed Hollow Point Centerfire Pistol Ammunition. This 40 S&W Ammo made by Winchester leaves an impact wound channel that is perfect for self-defense situations. The hollow point provides maximum stopping power for personal defense scenarios while the engineered jacket profile ensures reliable functioning precise accuracy and consistent expansion. This Winchester Ammo is sure to penetrate through even buttlocks and thick clothing to deliver the impressive stopping power needed in almost any scenario. Grab a box of Winchester Super-X Handgun Ammo today for the best ammunition you can bring along in the field. Specifications for Winchester Super-X Handgun .40 S&W 155 grain Silvertip Jacketed Hollow Point Centerfire Pistol Ammunition: Manufacturer: Winchester Caliber: .40 S&W Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 155 grain Cartridge Case Material: Brass Muzzle Velocity: 1205 ft/s Muzzle Energy: 500 ft-lbs Application: 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 155 grain Silvertip Jacketed Hollow Point Centerfire Pistol Ammunition: Hollow PointProvides maximum stopping power for personal defense scenarios Engineered Jacket ProfileEnsures reliable functioning precise accuracy and consistent expansion Package Contents: Winchester SUPER-X HANDGUN .40 S&W 155 grain Silvertip Jacketed Hollow Point Centerfire Pistol Ammunition Winchester W40SWST: Super-X Handgun Ammo .40 S&W Silvertip Hollow Point 155 grain 20 Rounds