Hornady Superfomance 5.56 Nato 55 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammunition, 20 Rounds, 812544

• (Copper Alloy eXpanding) CX bullet provides uniform, controlled expansion, deep penetration and 95% Weight retention
• Superformance is 100 to 200 fps faster than conventional ammunition
• Unfailing performance across a broad range of temperatures

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 take your favorite bullets to levels of performance that are simply unattainable with conventional ammunition.