Hornady Superformance GMX expanding ammunition delivers fast, consistent performance with a 55 grain GMX bullet designed to expand for hunting applications. Loaded for reliable feeding and ignition in modern rifles chambered for .223 Remington / 5.56 NATO, this brass-cased load is packaged 20 rounds per box.
Key Features
Superformance progressive-propellant load designed for increased velocity versus conventional ammunition
Brass casing for dependable cycling and consistent reloading components
55 grain GMX expanding bullet designed for controlled expansion
Polymer-tipped GMX profile for reliable performance in the field
Get accurate, dependable performance from Hornady Superformance GMX ammunition—ready for range work and suitable for hunting setups that use .223 Remington / 5.56 NATO.
