Hornady 81264 Superformance Match 5.56x45mm NATO 75 gr Hollow Point Boat Tail Match 20 Round BoxSuperformance match ammunition marries the very best cartridge cases with extremely stable propellants. These propellants are custom blended for each load to provide true ammunition performance enhancement. Caliber: 5. 56x45mm NATO Bullet Type: Hollow Point Boat Tail Match Bullet Weight: 75 gr Muzzle Energy: 1410 ft lbs Muzzle Velocity: 2910 fps Rounds Per Box: 20 Boxes Per Case: 10 Application: Target Shooting Casing Material: Brass Hazair: Yes Item