Nosler 16317 Partition 25 Caliber .257 100 GR Spitzer 50 Box

Nosler Partition 25 Cal .257 100 gr Spitzer Bullets: The Hunter’s Choice for Uncompromising Performance

For decades, discerning hunters and precision reloaders have sought out components that deliver unparalleled terminal performance and reliability in the field. Among the pantheon of legendary projectiles, the Nosler Partition stands as a testament to pioneering bullet design, offering a unique blend of controlled expansion, deep penetration, and exceptional weight retention. Specifically, the Nosler Partition 25 Cal .257 100 grain Spitzer bullet, available in convenient 50-count boxes, is engineered to provide an ethical and decisive advantage when targeting medium to large game.

Why Trust the Nosler Partition for Your Hunt?

When venturing into the wild, confidence in your equipment is paramount. The Nosler Partition bullet provides that assurance through its innovative, dual-core design. Unlike conventional bullets, the Partition is not merely a piece of lead and copper; it's a meticulously crafted instrument designed to perform consistently across a wide range of impact velocities and game sizes.

Hunters often ask: "What bullet will give me the most reliable performance on game?" or "How can I ensure deep penetration and effective energy transfer?" The answer often points to the Nosler Partition. Its legendary status is built upon a foundation of proven field performance and a design philosophy that prioritizes ethical harvesting.

The Science Behind the Legendary Design

Every Nosler Partition bullet, including this 100-grain .257 caliber spitzer, is the culmination of extensive ballistic engineering. The core innovation lies in its integral partition, a solid barrier of copper that separates the bullet into two distinct lead alloy cores. This revolutionary feature addresses the critical needs of bullet performance:

• Front Core Expansion: The forward lead alloy core is designed for rapid, yet controlled, expansion upon impact. The fully tapered copper-alloy jacket at the thin mouth ruptures instantly, initiating a wide, devastating mushroom. This rapid expansion ensures a large wound channel and immediate energy transfer to the animal.
• Rear Core Retention & Penetration: Critically, the Nosler's integral partition acts as a robust barrier, supporting the expanded mushroom and retaining the rear lead alloy core. This innovative design means that even after significant expansion of the front section, the rear portion of the bullet remains largely intact. This retained weight—typically more than half of the original bullet weight—is crucial for maintaining momentum and driving the bullet deep into vital organs, ensuring thorough penetration even on quartering shots or through heavy bone. This capability is what allows the Partition to consistently achieve pass-through shots, aiding in tracking and quick, humane kills.
• Controlled Expansion Across Velocities: A common challenge with hunting bullets is inconsistent performance at varying impact speeds. Some bullets expand too rapidly at high velocities, failing to penetrate, while others fail to expand at all at lower velocities. The gradual thickening of the Nosler Partition's jacket along the bullet's axis, combined with the integral partition, meticulously controls expansion. This ensures that the bullet performs optimally whether fired from a magnum cartridge at blistering speeds or a standard cartridge with moderate velocity, providing reliable mushrooming and penetration every time.
• Enhanced Integrity with Crimp Locks: To further enhance structural integrity and resist deformation, especially under the immense pressure of heavy magnum cartridges during recoil or feeding, special crimp locks are incorporated into the bullet's design. This seemingly small detail significantly contributes to consistent ballistic performance and reliable feeding in firearms, giving reloaders and hunters peace of mind.

Optimizing Your Hunt: Real-World Applications of the .257 100 gr Spitzer

The .257 caliber, often associated with cartridges like the .25-06 Remington, .257 Roberts, and .257 Weatherby Magnum, gains immense versatility and terminal effectiveness when paired with the 100-grain Nosler Partition Spitzer. This bullet weight is a popular choice for a variety of hunting scenarios and game species.

Ideal Game Species:

• Deer (Whitetail, Mule, Blacktail): The rapid expansion and deep penetration ensure devastating internal damage and quick, ethical harvests.
• Antelope & Sheep: For these lighter-bodied but tough animals, the Partition's ability to hold together and penetrate vital areas after initial impact is invaluable.
• Black Bear: Its controlled expansion and weight retention are critical for reaching vitals on larger, more resilient animals.
• Elk (Smaller Cows/Calves): While heavier Partition bullets might be preferred for mature bulls, the 100-grain can be effective on smaller elk with precise shot placement, especially from higher-velocity .257 cartridges.

Hunting Scenarios & Cartridge Compatibility:

This bullet shines in open country hunting where longer shots might be common, thanks to its Spitzer (pointed) design which enhances ballistic coefficient for flatter trajectories. For reloaders, matching this bullet with a suitable powder charge for your specific cartridge and rifle will unlock its full potential.

• Long-Range Accuracy: The Spitzer profile is aerodynamically efficient, helping to maintain velocity and reduce wind drift over extended distances. This translates to greater precision for ethical shot placement in challenging hunting environments.
• Versatility for Reloaders: The Nosler Partition is a favorite among handloaders due to its consistent dimensions and reliable performance characteristics, allowing for precise load development tailored to specific rifles and hunting conditions. Many reloaders view it as a benchmark for hunting bullet performance.

The Nosler Legacy: A Commitment to Quality and Innovation

Nosler Inc. has been a cornerstone of the shooting sports industry for over 75 years, synonymous with innovation and uncompromising quality. Founded by John Nosler, whose personal experience with inadequate bullet performance on an Alaskan moose hunt in 1946 spurred him to invent the original Nosler Partition, the company has consistently pushed the boundaries of bullet technology.

Choosing Nosler Partition bullets means investing in a legacy of excellence. Each bullet is manufactured with strict quality control to ensure consistency from box to box, lot to lot. This dedication to precision ensures that every bullet performs as expected, shot after shot, hunt after hunt. When you load your cartridges with Nosler Partition bullets, you're loading with decades of proven success and a commitment to ethical hunting. This focus on reliability and terminal efficacy builds profound trust among serious hunters who demand the best for their endeavors.

The Nosler Partition 100 grain .257 Spitzer bullet is not just a component; it's a critical element of a successful and ethical hunting experience. Its unique design ensures that whether you're facing a challenging shot on a distant deer or needing deep penetration on a resilient black bear, your bullet will perform exactly as engineered, maximizing your chances for a clean, humane harvest. This commitment to performance and the proven track record of the Partition make it a trusted choice for those who value every shot.

Where to Find Genuine Nosler Partition Bullets

When purchasing critical reloading components like Nosler Partition bullets, it's essential to source them from reputable dealers to ensure authenticity and quality. You can find genuine Nosler Partition bullets, including this 100-grain .257 spitzer model (UPC: 054041163170), at DEGuns. DEGuns offers a wide selection of premium reloading components and stands as a reliable source for your hunting and shooting needs.

Choosing the right bullet is one of the most critical decisions a hunter makes. With the Nosler Partition, you're not just choosing a bullet; you're choosing a legacy of performance, a commitment to innovation, and the confidence that comes from using a projectile designed to deliver when it matters most.