SinterFire USA .40 S&W 115 Grain Lead-Free Ball Brass Cased Centerfire Pistol Ammo 50 Rounds. Specifications for SinterFire USA .40 S&W 115 Grain Lead-Free Ball Brass Cased Centerfire Pistol Ammunition: Manufacturer: SinterFire Caliber: .40 S&W Number of Rounds: 50 Bullet Type: Lead-Free Ball Bullet Weight: 115 grain Cartridge Case Material: Brass Muzzle Velocity: 1350 ft/s Muzzle Energy: 466 ft-lbs Application: Target Package Type: Box Included Accessories: None Primer Style: Centerfire Lead Free: Yes Package Contents: SinterFire USA .40 S&W 115 Grain Lead-Free Ball Brass Cased Centerfire Pistol Ammunition SinterFire 1776040115: USA .40 S&W 115 Grain Lead-Free Ball Brass Cased Centerfire Pistol Ammo 50 Rounds