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Nosler 16318 Partition 25 Caliber .257 115 GR Spitzer 50 Box

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Nosler Partition .257 115 Grain Spitzer Bullet

Unleashing Unrivaled Performance: The Nosler Partition .257 115 Grain Spitzer Bullet

For discerning hunters and precision reloaders who demand nothing short of exceptional terminal performance, the Nosler Partition .257 115 Grain Spitzer bullet (Nosler SKU: 16318) stands as a legendary benchmark. Engineered for controlled expansion and deep penetration, this bullet is the quintessential choice for taking down medium to large game ethically and effectively. Are you searching for the most reliable hunting bullets for your .257 caliber rifle? Do you need a projectile that consistently delivers one-shot kills and retains its mass even after striking bone? The Nosler Partition is meticulously crafted to answer these critical questions, providing unparalleled confidence when the moment of truth arrives in the field.

What Makes the Nosler Partition an Elite Hunting Bullet?

The Nosler Partition's enduring legacy stems from its revolutionary design, a testament to Nosler's unwavering commitment to ballistic excellence since its inception. Unlike conventional bullet designs, the Partition features an integral partition – a core component that distinguishes its performance. This internal wall separates the bullet's two lead alloy cores, ensuring a unique and highly effective terminal ballistics profile. Hunters often ask, "How can I maximize my chances of a clean harvest?" The answer lies in the bullet's ability to perform predictably, and the Nosler Partition is engineered precisely for this purpose.

Key design elements contribute to its superior performance:

  • Integral Partition: This robust internal barrier acts as a physical wall, supporting the expanded mushroom of the bullet's front half while firmly retaining the rear lead alloy core. This dual-core design is crucial for ensuring that over half of the original bullet weight is preserved upon impact, driving the bullet deeper into vital organs. This feature directly addresses the common concern of bullet fragmentation, offering hunters peace of mind that their shot will penetrate effectively.
  • Fully Tapered Copper-Alloy Jacket: The jacket is a masterpiece of engineering. It begins with a thin mouth, designed to rupture instantly upon impact, initiating rapid expansion. Crucially, the jacket gradually thickens along the bullet's axis. This progressive thickening meticulously controls the expansion process, ensuring the jacket curls uniformly outward at both high and low velocities. This means consistent performance whether your shot is close-range and high-speed or a longer-range impact where velocity has diminished. This controlled expansion minimizes unnecessary meat damage while maximizing energy transfer.
  • Enclosed Rear Core: The rear section of the bullet encases a significant portion of the lead alloy core. This enclosed design is directly supported by the integral partition, guaranteeing that the bullet maintains more than half of its original weight. This high weight retention is paramount for deep, straight-line penetration, allowing the bullet to reach and disrupt vital organs even after encountering tough hide or bone. For hunters tackling larger or more resilient game, this characteristic is indispensable for ethical and effective harvesting.
  • Special Crimp Locks: To enhance structural integrity, especially under the immense pressures generated by heavy magnum cartridges, Nosler incorporates special crimp locks. These subtle yet critical additions reinforce the bullet's construction, providing added strength to resist deformation during recoil or in the magazine. This ensures that the bullet maintains its precise ogive and ballistic coefficients, contributing to superior accuracy from the firing line to the target.

Optimized for .257 Caliber Rifles: Ideal Applications

The Nosler Partition .257 115 Grain Spitzer bullet is particularly well-suited for a variety of popular .257 caliber cartridges, making it a versatile choice for a broad spectrum of hunting scenarios. When hunters ask, "What's the best bullet for deer, antelope, or even elk with my .25-06 Remington or .257 Roberts?" the 115-grain Nosler Partition consistently rises to the top of recommended lists.

Common cartridges that excel with this bullet weight and diameter include:

  • .25-06 Remington: A fast and flat-shooting cartridge, the .25-06 pairs exceptionally well with the 115-grain Partition for medium-sized game like deer, pronghorn, and even lighter elk. The Partition's controlled expansion ensures reliable performance at the .25-06's high velocities.
  • .257 Roberts: A classic, efficient cartridge, the .257 Roberts benefits from the Partition's ability to expand reliably at moderate velocities, making it a superb choice for deer and similar game.
  • .25 WSSM (Winchester Super Short Magnum): For those seeking maximum velocity from a short-action rifle, the .25 WSSM pushes the 115-grain Partition with impressive speed, extending its effective range on various game animals.
  • .250 Savage: While typically paired with lighter bullets, the 115-grain Partition can be a viable heavy-for-caliber option for the .250 Savage, offering enhanced penetration for specific hunting applications where closer ranges are expected.

This bullet is purpose-built for medium to large game hunting. Its robust construction ensures that whether you're targeting whitetail deer in the dense woods, pursuing mule deer across open plains, or tackling the challenge of elk and black bear in mountainous terrain, the Nosler Partition delivers consistent, devastating terminal performance. It offers the confidence of an ethical, humane harvest, minimizing tracking and maximizing the success of your hunt.

The Nosler Legacy: A Tradition of Precision and Reliability

Nosler has been a pioneering force in bullet design for over 75 years, with the Partition representing one of their earliest and most successful innovations. Founded by John Nosler, whose personal hunting experiences led him to seek a better performing bullet, the company has built a reputation for crafting projectiles that stand up to the most rigorous demands of hunters worldwide. This long-standing heritage of innovation and quality is embedded in every Partition bullet produced.

When you choose a Nosler Partition, you're not just selecting a bullet; you're investing in decades of ballistic research, meticulous manufacturing processes, and a proven track record of in-field success. The design principles of the Partition, while refined over time, remain true to John Nosler's original vision: a bullet that expands reliably without fragmenting, ensuring deep penetration and maximum energy transfer to vital organs. This commitment to performance is why generations of hunters have trusted Nosler to deliver when it counts most.

Handloading with Nosler Partition Bullets: Achieving Optimal Accuracy and Performance

For handloaders, the Nosler Partition .257 115 Grain Spitzer offers an exceptional foundation for developing highly accurate and potent hunting loads. Reloading allows for customization, enabling shooters to fine-tune ammunition to their specific rifle and hunting conditions. When working with these bullets, consider the following to optimize your results:

  • Powder Selection: Given the 115-grain weight, medium to slow-burning rifle powders are generally recommended for .257 calibers to achieve optimal velocities and pressure curves. Always consult reliable reloading manuals for specific powder charges and combinations.
  • Primer Choice: Standard rifle primers are typically sufficient. However, experimentation with different primer brands can sometimes yield subtle improvements in consistency and accuracy.
  • Overall Length (OAL): Pay close attention to the cartridge overall length (COAL). While many Partition bullets feature a cannelure (a crimping groove), the 115-grain .257 Spitzer variant, identified as Nosler SKU 16318, does not have one. This means handloaders will rely on neck tension and potentially a light crimp for bullet retention. Ensure your chosen OAL functions smoothly through your rifle's magazine and allows for consistent chambering, while also maintaining safe pressure levels as per reloading data.
  • Crimp: For bullets without a cannelure, a light taper crimp might be applied to enhance neck tension and prevent bullet setback during recoil, particularly important for cartridges used in tubular magazines or under heavy recoil. However, excessive crimp can deform the bullet and negatively impact accuracy.
  • Case Preparation: Consistent case preparation, including trimming, deburring, and uniforming primer pockets, will contribute significantly to the precision of your handloads.

Developing a custom load with Nosler Partition bullets not only provides economic benefits but also allows you to unlock your rifle's full accuracy potential, leading to more consistent performance in the field. This level of customization is what truly separates dedicated hunters and competitive shooters.

Why Choose the Nosler Partition for Your Next Hunt?

Choosing the right bullet is one of the most critical decisions a hunter makes. The Nosler Partition simplifies this choice by offering a proven, reliable solution for a wide range of game. It addresses the core desires of every ethical hunter: clean, humane kills through effective terminal performance.

  • Exceptional Weight Retention: Ensures deep penetration, reaching vital organs even on challenging angles or after striking bone.
  • Controlled Expansion: Guarantees uniform mushrooming across a broad velocity range, maximizing energy transfer and minimizing unnecessary meat damage.
  • Proven Accuracy: Meticulously manufactured to precise tolerances, contributing to consistent shot placement.
  • Versatile Application: Ideal for medium to large game, making it a go-to choice for diverse hunting scenarios.
  • Trusted by Generations: Backed by Nosler's long-standing reputation for quality and innovation in bullet design.

Whether you're embarking on a challenging big game hunt or fine-tuning your precision handloads, the Nosler Partition .257 115 Grain Spitzer bullet is engineered to deliver superior results. It's the bullet that builds confidence, shot after shot, season after season.

Product Specifications and Details

The following table provides a comprehensive overview of the Nosler Partition .257 115 Grain Spitzer bullet, detailing its key attributes for quick reference and comparison. This information is vital for handloaders, ensuring compatibility and optimizing load development.

Attribute Detail Value
Brand Manufacturer Nosler
Model Bullet Series Partition
Caliber Nominal Caliber .25 Cal
Bullet Diameter Actual Diameter .257
Weight Bullet Weight 115 gr
Bullet Type Profile / Shape Spitzer
Bullet Tip Material Exposed Tip Material Lead
Core Material Internal Core Material Lead
Jacket Material External Jacket Material Copper
Application Intended Use Medium-Large Game
Sectional Density SD Value .249
Cannelure Crimping Groove No
Quantity Bullets Per Box 50 Per Box
SKU Manufacturer SKU 16318
MPN Manufacturer Part Number 16318
UPC Universal Product Code 054041163187

Specifications

Explore the specific details and characteristics

SKU
16318
UPC
054041163187
MPN
16318