Description
This Hornady Superformance load pushes the boundaries of what magnum ammunition can do. The 180-grain SST bullet leaves the muzzle at 3130 fps with 3917 ft-lbs of energy, translating to a flatter trajectory and harder-hitting performance compared to standard loads. What sets these rounds apart is the technology behind them: Hornady's progressive propellant formula achieves this velocity increase without adding recoil, pressure, or temperature sensitivity.
How Superformance .300 Win Mag Delivers More Velocity
The core advantage here is engineering. Instead of using larger powder charges that create extra recoil and muzzle blast, Hornady optimized specialized propellant to transfer more usable energy directly to the bullet. The formula was tested across a wide temperature range from minus 20 to 140 degrees Fahrenheit, ensuring consistent performance whether you're hunting in winter cold or a warm climate. The ammunition is safe in all firearm types, including semi-auto rifles.
SST Bullet Design for Hunting Performance
The Super Shock Tip bullet combines a polymer tip with a secant ogive and boat-tail design to maximize ballistic coefficient and minimize wind drift. At impact, the polymer tip drives into the lead core to initiate rapid expansion even at long range. Hornady's Interlock ring locks the jacket to the core, preventing separation and ensuring deep penetration with good weight retention. Each bullet is cannelured and crimped for consistent performance across different conditions.
Built for Reliability in the Field
Like all Hornady ammunition, these rounds use top-tier brass cases and quality primers that deliver shot-to-shot consistency. Every component is manufactured to exacting standards, which matters when you're taking a long-range shot at game. The 20-round box fits standard ammunition storage and gives you a solid load for hunting season or range validation.
Key Specifications
- Caliber: .300 Winchester Magnum
- Bullet Weight: 180 grains
- Bullet Type: SST (Super Shock Tip)
- Muzzle Velocity: 3130 fps
- Muzzle Energy: 3917 ft-lbs
- Ballistic Coefficient (G1): 0.480
- Sectional Density: 0.271
- Case Material: Brass
- Rounds per Box: 20
- Manufacturer: Hornady
- Model: Superformance
- Manufacturer Part Number: 82193
- UPC: 090255821932
What’s Included
- 20 rounds of .300 Winchester Magnum ammunition
Frequently Asked Questions
How much faster is Superformance .300 Win Mag compared to standard loads?
Hornady Superformance achieves 100 to 200 fps faster velocity than conventional ammunition using the same caliber. The 180-grain load specifically reaches 3130 fps, which translates to a flatter trajectory and faster time to target without any increase in felt recoil or pressure.
Is the Superformance 180gr SST safe to use in all .300 Win Mag rifles?
Yes, this ammunition is safe for use in all firearm types, including bolt-action rifles, semi-automatics, lever actions, and pump actions. The rounds are loaded within SAAMI pressure guidelines and have been tested to perform reliably across different barrel lengths.
What game is the 180-grain SST suitable for?
The 180-grain SST is designed for medium to large game hunting including deer, elk, and moose. The rapid expansion and deep penetration characteristics of the SST bullet make it effective for most North American big game at various ranges.
Will these rounds perform consistently in cold or hot weather?
The Superformance propellant formula was developed with temperature stability in mind. Testing from minus 20 to 140 degrees Fahrenheit showed unfailing performance across that range, so you can rely on consistent ballistics whether you're hunting in winter or warm conditions.








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