Weatherby Select Plus .338-.378 Weatherby Magnum 250 Grain Nosler Partition Ammunition: The Ultimate Choice for Extreme Big Game Hunting

For the seasoned hunter who demands unwavering performance and decisive stopping power in the most challenging environments, the Weatherby Select Plus .338-.378 Weatherby Magnum 250 Grain Nosler Partition ammunition stands as a pinnacle of engineering and ethical hunting commitment. This is not merely ammunition; it is a meticulously crafted solution designed to answer the critical questions faced by those pursuing the largest and toughest game on Earth.

Are you preparing for a monumental hunting expedition where an ethical, one-shot kill is paramount? Do you wonder which ammunition can deliver unparalleled terminal performance on dangerous game like Alaskan brown bear, African buffalo, or massive elk at extreme distances? This in-depth guide reveals why Weatherby Select Plus with Nosler Partition bullets is the definitive answer for these demanding scenarios, ensuring confidence when the stakes are highest.

Unleashing the Power of the .338-.378 Weatherby Magnum

The .338-.378 Weatherby Magnum is a cartridge built for sheer power and long-range authority. Developed by Roy Weatherby himself, it represents the epitome of his "velocity kills" philosophy, taking the formidable .378 Weatherby Magnum case and necking it down to accept .338-caliber bullets. This design yields incredible muzzle velocities and flat trajectories, making it a standout performer for vast open landscapes and encounters where shot distances can extend significantly.

Why choose the .338-.378 Weatherby Magnum?

• Exceptional Muzzle Velocity: This cartridge propels heavy .338 caliber bullets at speeds that outclass many of its contemporaries, minimizing bullet drop and wind drift over extended ranges. This means less compensation needed for trajectory, translating into higher hit probability on distant targets.
• Devastating Kinetic Energy: The combination of high velocity and a heavy projectile delivers colossal energy upon impact. This immense kinetic energy is crucial for quickly and humanely dispatching large, resilient animals, ensuring deep penetration and devastating wound channels.
• Flat Trajectory: Hunters aiming at game across valleys or open plains will appreciate the incredibly flat shooting characteristics of the .338-.378 Weatherby Magnum. This reduces the margin for error when estimating range, a critical factor for ethical hunting.
• Ideal for Large and Dangerous Game: When facing animals with thick hides, heavy bone structures, or dangerous dispositions, the sheer power of this cartridge provides the necessary confidence for a decisive outcome.

Many hunters ask, "Is the .338-.378 Weatherby Magnum too much gun?" While its recoil is substantial and requires a skilled shooter, its power is not overkill when facing a charging grizzly or an elusive bull moose. It's about having sufficient power to ensure a clean, ethical harvest under all conditions, especially when a second shot may not be an option. This ammunition, specifically designed for this powerhouse cartridge, maximizes its inherent capabilities.

The Legendary Nosler Partition Bullet: A Masterclass in Terminal Performance

At the heart of this Weatherby Select Plus ammunition is the iconic 250-grain Nosler Partition bullet. For over 75 years, the Nosler Partition has been the benchmark for hunting bullet performance, renowned for its ability to deliver both controlled expansion and deep, straight-line penetration – two critical factors for success on robust game.

How does the Nosler Partition achieve such legendary performance?

1. Dual Core Design: The Partition bullet features a unique two-part lead core separated by a monolithic copper partition (divider) in the middle of the bullet.
2. Controlled Front Expansion: The front lead core is designed for rapid and wide expansion upon impact, creating a massive initial wound channel.
3. Rear Core Integrity and Penetration: The solid copper partition prevents the rear lead core from expanding prematurely or separating. This ensures that the base of the bullet retains its weight and integrity, driving deep through muscle, bone, and vitals to reach the animal's central nervous system or vital organs.
4. Exceptional Weight Retention: Due to the partition, the bullet consistently retains a high percentage of its original weight, which is directly correlated with penetration capability. This means more energy is delivered deeper into the animal, enhancing the likelihood of a quick, humane kill.

If you've ever asked, "What's the best bullet for deep penetration and reliable expansion?" or "How can I ensure my bullet reaches the vitals of a large bear?", the Nosler Partition is a time-tested answer. Its design allows it to perform reliably at a wide range of impact velocities, making it suitable for both close-range encounters and distant shots where velocity has diminished. This 250-grain offering is a particularly heavy .338 caliber bullet, further enhancing its sectional density for superior penetration on even the largest game animals.

Weatherby Select Plus: Precision and Consistency You Can Trust

Weatherby Select Plus ammunition is not just a collection of components; it's a commitment to precision and reliability. Weatherby, a name synonymous with high-performance firearms and ammunition, loads this cartridge to exacting standards, ensuring consistency from one round to the next.

What sets Weatherby Select Plus apart?

• Optimized Performance: Each round is meticulously loaded to maximize the inherent ballistic potential of the .338-.378 Weatherby Magnum cartridge and the Nosler Partition bullet. This results in consistent velocities, predictable trajectories, and reliable terminal performance.
• Premium Components: Beyond the Nosler Partition bullet, Weatherby uses high-quality brass casings, reliable primers, and carefully selected propellants to ensure uniform ballistic performance and dependable ignition in all conditions.
• Quality Control: Weatherby's rigorous quality control processes ensure that every box of Select Plus ammunition meets their stringent standards, providing hunters with confidence when it matters most.
• Synergy with Weatherby Rifles: While this ammunition performs exceptionally well in any rifle chambered for .338-.378 Weatherby Magnum, it is optimized to provide peak accuracy and performance when paired with Weatherby rifles, known for their precision and strength.

For hunters who have invested in a Weatherby rifle, choosing Weatherby Select Plus ammunition is a natural extension of that commitment to quality and performance. It ensures that the ammunition is perfectly matched to the rifle's design and engineering.

Real-World Applications and Hunter Scenarios

This Weatherby Select Plus ammunition with 250-grain Nosler Partition bullets is specifically engineered to excel in scenarios where ultimate power and reliability are non-negotiable.

• Alaskan and Canadian Dangerous Game: For hunters pursuing grizzlies, brown bears, polar bears, or large moose, the combination of .338-.378 Wby Mag power and the Partition's deep penetration is unparalleled. It provides the necessary authority to stop a charging animal or anchor a massive bull.
• African Dangerous Game (Class III): While some might opt for larger calibers, the .338-.378 Weatherby Magnum with the Partition bullet is highly effective for animals like Cape Buffalo (with proper shot placement), eland, kudu, and other large plains game, offering a flatter trajectory than many traditional "big bore" calibers.
• Extreme Long-Range Elk and Moose Hunting: In mountainous terrain or open timber where shot opportunities can be expansive, this ammunition offers the velocity and flat trajectory needed to make ethical shots on large ungulates at considerable distances. Its energy retention ensures sufficient impact even after hundreds of yards.
• Trophy Hunting Expeditions: When a once-in-a-lifetime trophy is on the line, hunters cannot afford to compromise on ammunition performance. The Weatherby Select Plus 250gr Nosler Partition provides the assurance that the shot taken will be effective and humane.

Many experienced hunters frequently search for "best ammunition for Alaskan brown bear" or "most powerful hunting cartridges for moose." This specific Weatherby loading consistently appears in discussions and recommendations for these exact purposes, offering a blend of high velocity and controlled, deep penetration that few other combinations can match. It answers the fundamental question: "How do I ensure a clean, ethical kill on the largest game?"

Understanding Ballistics and Performance Data

While individual rifle performance can vary, the typical ballistic profile of the Weatherby Select Plus .338-.378 Weatherby Magnum 250 Grain Nosler Partition ammunition showcases its formidable capabilities. These figures highlight its suitability for extreme hunting conditions.

• Muzzle Velocity: Expect velocities typically in the range of 3,000 to 3,100 feet per second (fps). This incredible speed is what contributes to its flat trajectory and devastating energy.
• Muzzle Energy: This high velocity, combined with a heavy 250-grain bullet, translates to astounding muzzle energy, often exceeding 5,000 foot-pounds (ft-lbs). This immense energy is a key factor in achieving quick and humane kills on the toughest game.
• Ballistic Coefficient (BC): The 250-grain Nosler Partition typically has a good ballistic coefficient, contributing to its ability to retain velocity and resist wind drift over long distances. While not a match-grade target bullet, its BC is excellent for a hunting projectile of this design and weight.
• Sectional Density (SD): Sectional density is a measure of a bullet's mass in relation to its diameter. A higher SD indicates greater penetration potential. The 250-grain .338 caliber bullet boasts an excellent sectional density, further enhancing its ability to drive deep through tough hides and bone.

These ballistic characteristics are why this ammunition is chosen by those who understand that kinetic energy and reliable penetration are the cornerstones of successful big game hunting. It's not just about speed; it's about delivering maximum, usable energy precisely where it's needed.

Where to Purchase This Premier Ammunition

When selecting such specialized and critical ammunition, it's essential to source it from a reputable dealer. The Weatherby Select Plus .338-.378 Weatherby Magnum 250 Grain Nosler Partition ammunition (UPC: 747115442571) is readily available from trusted online retailers like DEGuns. DEGuns provides a comprehensive selection of premium firearms and ammunition, ensuring you receive authentic products and reliable service for your most important hunting endeavors. Their commitment to quality and customer satisfaction makes them an ideal choice for securing your supply of this high-performance ammunition.

For the hunter who leaves nothing to chance, who respects the game, and who demands peak performance from their equipment, the Weatherby Select Plus .338-.378 Weatherby Magnum 250 Grain Nosler Partition ammunition is more than a recommendation—it's an imperative. It answers the call for unmatched stopping power, precision, and the confidence to face the wild's grandest challenges. Prepare for your next adventure knowing you have the ultimate advantage with Weatherby.

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Weatherby Select Plus .338-.378 Wthby Mag 250 gr Nosler Partition Ammunition Overview

Feature	Description	Benefit for Hunter
Caliber	.338-.378 Weatherby Magnum	Extreme power and flat trajectory for long-range and large game
Bullet Type	250 gr Nosler Partition (NP)	Unrivaled controlled expansion, deep penetration, and high weight retention for devastating terminal performance on resilient game
Manufacturer	Weatherby	Renowned for high-performance firearms and ammunition, ensuring consistency and quality
Ammunition Line	Select Plus	Premium factory loading optimized for peak ballistic efficiency and reliability
Application	Large & Dangerous Game Hunting (e.g., Brown Bear, Moose, African Buffalo, Elk), Extreme Long-Range Shooting	Ensures ethical, one-shot kills and reliable performance in critical hunting scenarios
Packaging	20 Rounds per Box	Convenient packaging for individual hunts or range trips
Case Quantity	10 Boxes per Case	Bulk purchasing option for serious hunters and expedition preparation
UPC (Product Code)	747115442571 (N333250PT)	Unique product identifier for easy tracking and ordering
Availability	Exclusively at DEGuns	Ensures access to authentic, high-quality Weatherby products from a trusted supplier