Hornady Superformance .223 Rem 55 Grain GMX Centerfire Ammunition Cartridges

.223 centerfire rifle cartridges. Uses progressive propellants that take the 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. 100 to 200 FPS faster than conventional ammunition and is safe for use in all firearm types including semiautos, lever guns, and pump actions. This .223 Remington load features a GMX bullet with a 55 grain weight.