Manufacturer Number:762BFMJ Caliber: 7.62x39mm Russian Bullet Type: Full Metal Jacket Bullet Weight: 123 Grains Rounds: 20 Per Box Muzzle Velocity: 2396 fps Bullet Diameter: Not Available Muzzle Energy:1555 ft/lbs Jacket Material: Bi-Metal (Will Attract a Magnet) Core Material: Lead Tip Material:None Sectional Density: Not Available Ballistic Coefficient: Not Available Berdan Primed Casing: Polymer-Coated Steel Uses: Target and Plinking