Description
Hornady Superformance.308 Winchester 165 Grain GMX Ammo Overview
Hornady 165 Grain GMX.308 Winchester Superformance ammunition is designed for shooters that want to achieve increased velocity, flat trajectory and consistent terminal performance, without increasing chamber pressur or recoil. This 500-round case is ideal for training in high volumes, hunting preparation and precision rifles across many firearm platforms.
This load is based on Hornady’s Superformance propellants technology. It delivers increased speed, while maintaining accuracy and temperature stability.
Hornady Superformance Winchester.308 Performance Advantage
Hornady’s Superformance line was designed to improve the performance of.308 Winchester factory loads. This 165 grain GMX bullet (Gilding Metal eXpanding Bullet) is designed for controlled expansion and penetration. It’s suitable for medium to large game.
This is a high-performance, reliable, bolt-action rifle that can be used with other semi-automatic and bolt-action rifles in.308 compatibility.
Hornady Superformance.308 Winchester 165 Grain GMX Ammo: Key Features
High-Velocity Super Performance Propellant
Hornady’s Superformance ammunition delivers 100-200 fps more velocity than standard loads, while still maintaining safe pressure levels.
GMX Gilding Metal Expansible Bullet
The 165 grain GMX is designed to deliver effective energy transfer and controlled expansion on medium and large game.
Temperature-Stable Performance
The reliability of the ballistic system is ensured by its consistent performance in varying environments.
Precision-Loaded Components
Hornady uses brass primers and cases of high quality to ensure smooth feeding and consistent accuracy.
Versatile Rifle Compatibility
Use in bolt-action, lever-action and pump-action rifles in.308 Winchester.
Specifications
- Caliber: 308 Winchester
- Bullet Weight: 165 grains
- Bullet Type: GMX
- Rounds: 500
- Muzzle Velocity: 2750 fps
- Muzzle Energy: ~2770 ft-lbs
- Ballistic Coefficient G1: 0.447
- Sectional Density: 0.248
- Case Type: Brass
- Primer Type: Centerfire
- Application: Large Game/Medium Game/Target
Hornady Superformance Ammo.308 Winchester: Best Uses
Medium and Large Game Hunting
It is designed for controlled expansion and penetration and can be used for deer, Elk and other similar-sized animals.
Long-Range Rifle training
The practice of long-range shooting and validation of trajectory can be made easier with the help and consistency of ballistic performance.
Field Zeroing and load Testing
It is a reliable sighting-in tool that can be used to confirm rifle accuracy and for sighting in sessions.
Hornady Superformance.308 Winchester 165 grain GMX Ammo: Why choose it?
Hornady’s Superformance.308 Winchester is a reliable terminal performer that offers increased velocity and accuracy. This is a rifle designed for hunters who are looking to extend their range and improve hunting performance without sacrificing controllability or reliability.





