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Availability: In Stock
Current Stock: Out of stock
The Hornady Superformance 300 Win Mag 165gr CX is a premium rifle cartridge engineered to deliver velocity gains that conventional ammo simply can't match—up to 200 fps faster—without the downsides of increased recoil, chamber pressure, or temperature sensitivity. This 20-round box pairs Hornady's proprietary progressive propellant technology with their proven CX bullet design, making it a solid choice for hunters pursuing medium to large game from 50 to 1,500 pounds. Whether you're hunting elk, moose, or working at distance on the range, Superformance ammunition brings real ballistic advantage to your 300 Win Mag without forcing you to sacrifice consistency or accuracy in the field.
What sets Superformance apart is the engineering behind the powder itself. Rather than relying on conventional propellant formulas, Hornady's progressive powders burn in a way that accelerates your bullet down the bore while maintaining pressure within safe limits. That means you get genuine velocity increases without the typical trade-offs—no extra recoil, no increased fouling, and no wildly variable performance across temperature swings. The CX bullet, a solid-copper design, delivers reliable expansion and penetration across a wide range of game and distances.
Like all Hornady factory ammunition, every round is assembled with quality brass cases and consistent primers, so you can count on similar velocities and points of impact from shot to shot. For hunters who want a 300 Win Mag load that performs reliably in cold mornings and warm afternoons alike, Superformance delivers the kind of real-world consistency that matters when it counts.
| Cartridge | 300 Winchester Magnum |
| Bullet Weight | 165 grains |
| Bullet Type | CX (solid copper) |
| Product Line | Superformance |
| Rounds Per Box | 20 |
| Intended Use | Medium game (50–300 lbs), Large game (300–1,500 lbs) |
This load is engineered for both medium game (50–300 pounds) and large game (300–1,500 pounds), making it versatile enough for deer, elk, moose, and other species across that range. The CX bullet's solid-copper construction provides reliable expansion and penetration at typical hunting distances.
Hornady's Superformance line is designed to deliver 100 to 200 fps more velocity than conventional ammunition in the same cartridge, achieved through their progressive propellant technology rather than increased pressure.
Yes. One of the key advantages of Superformance's progressive powder formula is reduced temperature sensitivity, so you can expect more consistent ballistic performance across a broad range of temperatures—important for early-season and late-season hunts.
Each box contains 20 rounds of loaded ammunition, assembled with quality Hornady brass cases, primers, and the progressive propellant with CX bullets.
SKU: 149622305 • Width: 3.9in • Height: 1.4in • Depth: 6.5in • Weight: 1.56oz
Availability: In Stock
Current Stock: Out of stock
The Hornady Superformance 300 Win Mag 165gr CX is a premium rifle cartridge engineered to deliver velocity gains that conventional ammo simply can't match—up to 200 fps faster—without the downsides of increased recoil, chamber pressure, or temperature sensitivity. This 20-round box pairs Hornady's proprietary progressive propellant technology with their proven CX bullet design, making it a solid choice for hunters pursuing medium to large game from 50 to 1,500 pounds. Whether you're hunting elk, moose, or working at distance on the range, Superformance ammunition brings real ballistic advantage to your 300 Win Mag without forcing you to sacrifice consistency or accuracy in the field.
What sets Superformance apart is the engineering behind the powder itself. Rather than relying on conventional propellant formulas, Hornady's progressive powders burn in a way that accelerates your bullet down the bore while maintaining pressure within safe limits. That means you get genuine velocity increases without the typical trade-offs—no extra recoil, no increased fouling, and no wildly variable performance across temperature swings. The CX bullet, a solid-copper design, delivers reliable expansion and penetration across a wide range of game and distances.
Like all Hornady factory ammunition, every round is assembled with quality brass cases and consistent primers, so you can count on similar velocities and points of impact from shot to shot. For hunters who want a 300 Win Mag load that performs reliably in cold mornings and warm afternoons alike, Superformance delivers the kind of real-world consistency that matters when it counts.
| Cartridge | 300 Winchester Magnum |
| Bullet Weight | 165 grains |
| Bullet Type | CX (solid copper) |
| Product Line | Superformance |
| Rounds Per Box | 20 |
| Intended Use | Medium game (50–300 lbs), Large game (300–1,500 lbs) |
This load is engineered for both medium game (50–300 pounds) and large game (300–1,500 pounds), making it versatile enough for deer, elk, moose, and other species across that range. The CX bullet's solid-copper construction provides reliable expansion and penetration at typical hunting distances.
Hornady's Superformance line is designed to deliver 100 to 200 fps more velocity than conventional ammunition in the same cartridge, achieved through their progressive propellant technology rather than increased pressure.
Yes. One of the key advantages of Superformance's progressive powder formula is reduced temperature sensitivity, so you can expect more consistent ballistic performance across a broad range of temperatures—important for early-season and late-season hunts.
Each box contains 20 rounds of loaded ammunition, assembled with quality Hornady brass cases, primers, and the progressive propellant with CX bullets.
SKU: 149622305 • Width: 3.9in • Height: 1.4in • Depth: 6.5in • Weight: 1.56oz