Fiocchi Range Dynamics 5.7x28mm 40 Grain FMJ Brass Pistol Ammo 150 Rounds. High-volume shooters appreciate this and they strive in their craft by never compromising their quality standards with options that will suit your needs. Specifications for Fiocchi Range Dynamics 5.7x28mm 40 Grain FMJ Brass Pistol Ammunition: Manufacturer: Fiocchi Caliber: 5.7x28mm Number of Rounds: 150 Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 40 grain Cartridge Case Material: Brass Muzzle Velocity: 1700 ft/s Muzzle Energy: 257 ft-lbs Application: Range Included Accessories: None Primer Style: Centerfire Lead Free: No Dimensions: 2.6 x 3.25 x 3.25 in Width: 3.25 in Package Contents: Fiocchi Range Dynamics 5.7x28mm 40 Grain FMJ Brass Pistol Ammunition Fiocchi 57FMJ40: Range Dynamics 5.7x28mm 40 Grain FMJ Brass Pistol Ammo 150 Rounds