.257 Weatherby Magnum 115 Grain Nosler Partition~100% Hand Loaded !!
$107.99
15 in stock
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Common Questions
Yes, there may be restrictions on the sort of ammunition permitted for hunting in your area. These regulations may include limitations on bullet design, bullet weight, or ammunition attributes. It is critical to read and follow the hunting restrictions established by the local wildlife or hunting authority.
Yes, there may be restrictions on the sort of ammunition permitted for hunting in your area. These regulations may include limitations on bullet design, bullet weight, or ammunition attributes. It is critical to read and follow the hunting restrictions established by the local wildlife or hunting authority.
Yes, there may be restrictions on the sort of ammunition permitted for hunting in your area. These regulations may include limitations on bullet design, bullet weight, or ammunition attributes. It is critical to read and follow the hunting restrictions established by the local wildlife or hunting authority.
Yes, there may be restrictions on the sort of ammunition permitted for hunting in your area. These regulations may include limitations on bullet design, bullet weight, or ammunition attributes. It is critical to read and follow the hunting restrictions established by the local wildlife or hunting authority.
Yes, there may be restrictions on the sort of ammunition permitted for hunting in your area. These regulations may include limitations on bullet design, bullet weight, or ammunition attributes. It is critical to read and follow the hunting restrictions established by the local wildlife or hunting authority.
Yes, there may be restrictions on the sort of ammunition permitted for hunting in your area. These regulations may include limitations on bullet design, bullet weight, or ammunition attributes. It is critical to read and follow the hunting restrictions established by the local wildlife or hunting authority.
Terms & Conditions
I acknowledge and confirm that I am ordering items listed on this website and agree to the following conditions:
Must be 18 years old or older, depending on your state laws. Buyer is entirely responsible for compliance with all local laws. Know the rules and laws that apply to you before you buy.
Our ammunition is loaded to SAAMI specifications unless otherwise noted. Any firearm modified from its original, factory condition, may not match the performance achieved through our extensive testing at our facilities. This includes primer detonation, accuracy, and stated velocities.
WARRANTY:
Choice Ammunition, Corp. warrants our ammunition for a period of one year, to be free of defects in workmanship and materials. If we find the ammunition to be defective for either of these reasons, we will replace the ammunition free of charge including shipping.
We carefully evaluate any warranty claim on a case by case basis. Please contact us at 406-961-6942 to report any issue and receive a specific RMA (Return Merchandise Authorization) number for your case and return. We strive to provide unmatched customer service in the industry. Please be courteous and show patience while an unfortunate warranty claim is being reviewed.
Payments, Shipping, & Refunds
Payments
We accept the following forms of payment:
- 1. Credit Card through our website’s secure checkout
- 2. Credit Card through our phone at 406-961-6942 Check or money order.
Shipping
- Most orders shipped through UPS ground with detailed tracking provided.
- Standard delivery time is 2-7 business days from the date your order was placed.
Return Policy:
All sales are final. No returns of product allowed.
Order Cancellation Policy:
You may cancel an order ONLY if you contact us prior to shipping. We ship 95% of all orders within 36 hours of being placed, so you must contact us immediately if you wish to cancel your order.
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We do not sell or provide your information or any order information with any third parties.
CA PROPOSITION 65 WARNING
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Choice Ammunition manufactures premium hand-loaded ammunition in Victor, Montana.
Every round is individually loaded by trained technicians using proprietary powder formulas and undergoes 100% visual inspection before packaging.
We use only premium components—Nosler, Barnes, Berger, Hornady, and Sierra bullets paired with new brass from top suppliers.
Our load development experts and ballisticians create precise powder charges and consistent seating depths across 700+ options in 25 pistol and 75 rifle calibers.
From varmint hunting to African dangerous game, defense to cowboy action shooting, we deliver the accuracy and reliability that serious shooters demand with superior customer service and fast shipping
.257 Weatherby Magnum 115 grain Nosler Partition- The .257 Weatherby Magnum is one of the most iconic high-velocity cartridges ever developed and remains a benchmark in the .257 caliber class. Introduced in the 1940s by Roy Weatherby and commercially standardized in the 1950s, it was designed to push small-caliber bullets at unprecedented speeds. Built on a belted magnum case with Weatherby’s distinctive double-radius shoulder, the cartridge quickly gained a reputation for extreme velocity, flat trajectories, and dramatic downrange performance.
From the beginning, the .257 Weatherby Magnum earned the nickname “the laser” due to its ability to minimize bullet drop at long distances. This made it especially popular among Western hunters pursuing pronghorn, mule deer, and plains game in open country where longer shots are common. With proper bullet selection, it has also proven effective on larger game such as elk, delivering deep penetration and rapid expansion at extended ranges.
What truly sets the .257 Weatherby apart within the .257 caliber is its unmatched speed and efficiency. It consistently outperforms other .25-caliber cartridges in velocity and trajectory while maintaining manageable recoil. Combined with excellent accuracy and modern high-BC bullet options, the .257 Weatherby Magnum remains a standout choice for hunters who value reach, precision, and decisive terminal performance.
Choice Ammunition’s .257 Weatherby Magnum with the 115-grain Nosler Partition represents a classic high-velocity hunting cartridge elevated through precision hand-loading. Each round is developed through extensive pressure, velocity, and accuracy testing to ensure the Partition performs exactly as designed at Weatherby velocities. Powder charges are individually measured, components are carefully lot-matched, and every production run is monitored for consistency. This meticulous process delivers reliable ignition, uniform velocities, and predictable terminal performance on game. By hand-loading rather than mass-producing, Choice Ammunition maximizes the strengths of the .257 Weatherby Magnum, providing hunters with confidence, repeatability, and proven performance when it matters most.
The Bullet-
Partition Bullets feature a fully tapered jacket that ruptures instantly at the thin jacket mouth, yet the gradual thickening along the bullet’s axis controls expansion and curls the jacket uniformly outward at high or low velocities. Nosler’s integral Partition supports the expanded mushroom and retains the rear lead alloy core. The enclosed rear core retains more than half the original bullet weight for deep penetration. The special crimp locks in the rear core section, adding strength to resist deformation under the pressure of heavy magnums.This makes this round no match for Deer, Sheep, Pronghorn and Black Bear and other medium-sized game.
- Velocity 23,260 fps
- 100% Hand Loaded
- G-1 BC 0.389
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