Hornady

Hornady's Superformance uses progressive propellants that take your favorite V-MAX NTX SST GMX InterLock and InterBond bullets to levels of performance that are simply unattainable with conventional ammunition. It uses the highest quality cases and primers available which equals consistent components that translates to consistent shooting in the field. The Superformance ammunition is 100 to 200 fps faster than conventional ammunition and is safe for use in all firearm types including semi-autos lever guns and pump actions. - Caliber: 5.56x45mm NATO - Bullet Weight: 55gr - Muzzle Energy: 1231 ft / lbs - Muzzle Velocity: 3175 fps - Rounds Per Box: 20