Hornady Superformance 5.56 NATO 55 Grain CX - Box of 20

ID: 812544   UPC: 090255719932   CLASSIFICATION: PAL REQUIRED

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Product Information

Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy.

Superformance® uses progressive propellants that takes your favorite CX™ bullets to levels of performance that are simply unattainable with conventional ammunition.


  • Proven Hornady Bullets: Superformance® ammunition is loaded with Hornady® CX™ bullets for the ultimate in performance, no matter what the game.
  • Progressive Hornady Powders: Superformance® Propellants are the heart of Superformance® ammunition and usher in a new era of performance.
  • Case and Primer: Like all Hornady® ammunition, our Superformance® rounds use the highest quality cases and primers available. Consistent components translate to consistent shooting in the field.
  • Performance: 100 to 200 fps faster than conventional ammunition. Uncompromising accuracy without increased felt recoil. Unfailing performance across a broad range of temperatures. This new breed of ammunition is safe for use in all firearm types, including semi-autos, lever guns and pump actions.


  • Caliber: 5.56 NATO
  • Grain: 55 Grain
  • Bullet Type: CX (Copper alloy eXpanding)
  • Muzzle Velocity: 3175 FPS
  • Muzzle Energy: 1231 ft. lbs.
  • Sectional Density: .157
  • Ballistic Coefficient: .270 (G1)


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