SIG SAUER V-Crown Ammo .40 S&W 180 grain Jacketed Hollow Point Brass Cased Centerfire Pistol Ammo 20 Rounds. The Sig V-Crown stacked hollow point design provides a smaller additional hollow point cavity behind the main cavity. This design along with V-shaped jacket skives and scores provides controlled uniform expansion at all effective distances and velocities. Each caliber loading of SIG SAUER Elite Performance Ammunition is precisely matched to the core temper of its Sig V-Crown bullet to ensure maximum terminal performance. Specifications for SIG SAUER V-Crown Ammo .40 S&W 180 grain Jacketed Hollow Point Brass Cased Centerfire Pistol Ammunition: Manufacturer: SIG SAUER Caliber: .40 S&W Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 180 grain Cartridge Case Material: Brass Muzzle Velocity: 985 ft/s Muzzle Energy: 388 ft-lbs Application: Self-Defense Package Type: Box Primer Style: Centerfire Features of SIG SAUER Elite V-Crown .40 S&W JHP 165gr Pistol Ammo - 20 Rounds SIG V-Crown cartridges utilize a perfect storm of features from low-flash propellant to a cannelured shank resulting in maximum weight retention with reliable ballistic performance. SIG V-Crown ammunition creates a consistent V-shaped main cavity on top of a deep narrow trail with superior weight retention maximum expansion optimal penetration depth time after time. Muzzle Energy: 388 ft-lb Package Contents: SIG SAUER Elite V-Crown .40 S&W JHP 180gr Pistol Ammo - 20 Rounds SIG SAUER Infinite Guarantee SIG SAUER 40S&W 180gr Elite V-Crown JHP /20 E40SW2-20