Sig Sauer V-Crown defensive rounds combine perfected material specifications and fine-tuned design innovations, including a stacked hollow point cavity, to deliver exceptional on-target energy with maximum weight retention and optimal expansion for ultimate stopping power. Specifications: Ammo Application: Defensive Ammo Type: Jacketed Hollow Point (JHP) Series: V-Crown Caliber: .45acp Grain Weight; 200gr Quantity per Package: 20 Rounds Test Barrel Length: 5.0" +/- 1/16" Muzzle Velocity: 918fps Muzzle Energy: 374 ft/lbs Bullet Length: 17.018mm Case Type: Nickel Plated Brass Lead Free: No Staked Primer: No