.257 Weatherby Ammo

The .257 Weatherby Magnum ammunition category is synonymous with high velocity, long range, and precision. As part of Roy Weatherby’s lineup of high-performance cartridges introduced in the mid-20th century, the .257 Weatherby Magnum has been wowing hunters and shooters with its impressive ballistic capabilities ever since. This selection showcases premium ammunition from the industry’s most reputable manufacturers, designed for those who demand top-tier performance for big game hunting and long-distance shooting.

Intended Use: The .257 Weatherby Magnum is particularly favored for hunting deer, antelope, and similar-sized game, offering flat trajectories and explosive terminal performance at extended ranges. Its accuracy and high velocity also make it a choice round for competitive shooters and anyone seeking to push their long-range shooting skills to the limit.

Caliber/Size: Featuring a belted, bottlenecked design, the .257 Weatherby Magnum launches .257 caliber bullets at velocities unmatched by other cartridges in its class. This design maximizes the aerodynamic efficiency of the bullets, enabling exceptional performance over long distances.

Performance Characteristics: Known for its ability to deliver bullets at ultra-high velocities, the .257 Weatherby Magnum provides a flat shooting trajectory and minimal wind drift, making it ideal for long-range hunting and shooting scenarios. The cartridge’s high energy transfer on impact ensures effective game-taking ability.

Material and Construction: .257 Weatherby Magnum rounds are manufactured with precision, utilizing high-quality brass casings and a selection of bullet designs optimized for various hunting and shooting applications. Offerings include everything from controlled expansion bullets for large game to sleek, aerodynamic options for match shooting, ensuring versatility and effectiveness.

Brands and Manufacturers: This category features ammunition from Weatherby, the originator of the cartridge, alongside other leading brands such as Norma. These manufacturers are committed to upholding the .257 Weatherby Magnum’s legacy of speed and power, providing shooters with exceptional ammunition choices.

A Brief History: The .257 Weatherby Magnum was introduced by Roy Weatherby in 1944, becoming part of his family of high-speed cartridges. It was designed to offer superior downrange performance, quickly establishing itself as a favorite among hunters and shooters for its unmatched velocity and range.


  1. What is the effective range of a .257 Weatherby Magnum? The .257 Weatherby Magnum is effective at ranges exceeding 400 yards, with capabilities for precise shots on game at distances well beyond that, thanks to its high velocity and flat trajectory.
  2. Can the .257 Weatherby Magnum be used for larger game animals? Yes, with appropriate bullet selection, the .257 Weatherby Magnum can be effectively used for larger game such as elk, offering deep penetration and high-energy impact necessary for ethical kills.
  3. How does the .257 Weatherby Magnum compare to other cartridges in its caliber? The .257 Weatherby Magnum stands out for its high velocity and long-range performance compared to other .257 caliber cartridges. It is renowned for delivering faster speeds and flatter trajectories, making it a top choice for serious hunters and long-range shooters.

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