Hornady Superformance 5.56 NATO 55gr CX – 20rd Box

Hornady Superformance 5.56 NATO ammunition loads a 55-grain CX copper-solid bullet and is supplied in a 20-round box. Superformance uses Hornady progressive propellants to raise muzzle velocity while remaining within accepted pressure guidelines. The rounds are brass-cased and listed as reloadable, intended for hunting and range use where higher velocity and consistent performance are desired.

Key Specifications

• The caliber is .223 REM / 5.56 NATO.
• The bullet weight is 55 grains.
• The bullet type is Copper solid (CX).
• The listed muzzle velocity is 3175 fps.
• The listed muzzle energy is 1231 ft lbs.
• There are 20 rounds per box.
• There are 10 boxes per case.
• The case material is Brass.
• Reloadable: Yes.
• The ballistic coefficient (G1) is .270.

Engineered for higher muzzle velocity without increased peak pressure, this Superformance load aims to provide flatter trajectories and consistent performance across a range of conditions. Its brass cases and consistent components make it suitable for shooters who value repeatable ballistics for hunting or precision work at common small-bore ranges.