Description
The Weatherby Select .300 Weatherby Magnum 165-grain Hornady InterLock load combines proven ballistics with dependable field performance. Loading 165-grain bullets at 3390 fps gives you a balance of velocity and accuracy that works across a range of game sizes. This is one of the most versatile loads available for the platform, and it's built on new production brass that's reloadable for folks who want to extend their ammo investment.
Hornady InterLock Design for Reliable Expansion
The InterLock bullet features Hornady's exclusive ring that locks the core and jacket together during expansion. This means more weight retention and consistent terminal performance downrange. The exposed lead tip combines with the jacketed design to deliver both controlled expansion and deep penetration, making this load suitable for deer, elk, and other medium to large game. You get the aggressive expansion you want without losing the structural integrity that matters on tougher animals.
Flat Shooting, Accurate Performance
The .300 Weatherby Magnum has a reputation for delivering flat trajectories and long-range capability. These Weatherby Select rounds maintain that tradition with their ballistic coefficient of 0.387 and near-4210 ft-lbs of muzzle energy. When paired with a quality rifle and proper shooting technique, you can expect sub-MOA accuracy potential out to practical hunting ranges. The cartridge shines from 300 yards out to extended distances where that velocity advantage really pays dividends.
Made to Weatherby Standards
This ammunition is new production, boxer-primed, and non-corrosive, manufactured to the exacting standards Weatherby's known for. Each box contains 20 cartridges, and the reloadable brass cases add long-term value if you're into handloading.
Key Specifications
- Caliber: .300 Weatherby Magnum
- Bullet Weight: 165 grains
- Bullet Type: Hornady InterLock Jacketed Soft Point
- Muzzle Velocity: 3390 fps
- Muzzle Energy: 4210 ft-lbs
- Ballistic Coefficient: 0.387 (G1)
- Case Type: Reloadable Brass
- Primer: Boxer, Non-Corrosive
- Rounds per Box: 20
- Manufacturer: Weatherby
- Manufacturer Part Number: H300165IL
- UPC: 747115437504
- Intended Use: Big Game Hunting
What’s Included
- 20 rounds of .300 Weatherby Magnum 165-grain Hornady InterLock ammunition
Frequently Asked Questions
What game is the 165-grain Hornady InterLock suitable for?
This load works well on medium to large game including whitetail deer, elk, and other similar-sized animals. The 165-grain weight with InterLock expansion is particularly effective on medium body weights, and the velocity advantage of the .300 Weatherby Magnum helps it perform especially well at extended ranges where faster expansion matters.
Can I reload the Weatherby Select brass cases?
Yes, the cases are reloadable. This ammunition uses new production, quality brass that can be loaded multiple times, which makes it a good value if you plan to handload. Just remember to follow safe reloading practices and use load data specific to the .300 Weatherby Magnum.
How does the 165-grain load compare to heavier options in this caliber?
The 165-grain load offers higher velocity and a flatter trajectory than heavier bullets, which reduces wind drift and time to target. It's particularly useful for medium game and situations where you need flat shooting performance. Heavier loads like 180-grain rounds deliver more energy retention at extended ranges and work better on larger game.
Is this ammunition the same as .300 Winchester Magnum?
No, these are completely different cartridges and are not interchangeable. The .300 Weatherby Magnum delivers significantly higher velocity than a .300 Winchester Magnum. Always verify the caliber marking on your rifle's barrel before loading any ammunition to ensure safe, correct use.








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