Hornady GMX 6mm .243 Projectile


Hard-hitting and deep-penetrating, the GMX® (Gilding Metal eXpanding) bullet combines monolithic construction with pioneering ballistic design to meet the need for a premium, non-traditional bullet. The GMX® is ideal for any sized game.
The mono-metal design of the GMX® bullet is crafted from gilding metal — the same material Hornady® uses for the jacket material in our conventional bullets. Harder than solid copper, the copper/zinc alloy has been proven to shoot cleaner, foul less, and deliver consistent, even pressure curves. 

The tough gilding material routinely retains 95% or more of its original weight and expands up to 1.5 times its original diameter. Featuring a long, sleek profile with cannelures, the design reduces the bullet’s overall bearing surface and drag, while achieving
some of the highest ballistic coefficients from monolithic, non-traditional bullets. Initiating expansion upon impact, the hard polymer tip drives into the hollow cavity at the front of the bullet, creating a mushroom-style projectile as it travels through the animal.


Streamlined design for ultra-flat trajectories
Devastating terminal performance across a wide range of velocities
Copper alloy construction and double cannelures reduce fouling
Compatible with conventional reloading data

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