Hornady 81296 Black 5.56x45mmNATO 75gr InterLock Heavy Duty

Caliber: 5.56x45mm NATO Bullet Type: InterLock Heavy Duty Bullet Weight: 75 gr Muzzle Energy: 897 ft lbs Muzzle Velocity: 2321 fps Rounds Per Box: 20 Boxes Per Case: 10 Application: Hunting Casing Material: Brass