Nosler Unprimed Brass Rifle Cartridge Cases 50/ct .338 Win Mag




338 Win Mag Brass: A Comprehensive Guide for Shooters and Reloaders

When it comes to long-range shooting and hunting, having the right ammunition is crucial. The .338 Winchester Magnum (Win Mag) is a popular choice among shooters and reloaders due to its excellent performance and versatility. Whether you are a seasoned marksman or a novice looking to explore this powerful cartridge, we’ve got you covered.

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Understanding .338 Win Mag Brass

What is .338 Win Mag?

Before we dive into brass specifics, let’s understand the cartridge itself. The .338 Winchester Magnum, commonly known as .338 Win Mag, was introduced in the early 1950s. It is a powerful, belted, bottlenecked cartridge designed for big-game hunting and long-range shooting. The .338 Win Mag offers impressive ballistics and packs a punch, making it suitable for taking down large and dangerous game.


338 Win Mag Brass

Components of .338 Win Mag Brass

Reloading ammunition requires a good understanding of the brass components. The .338 Win Mag brass consists of the following essential parts:

  1. Case Head: The base of the brass case that holds the primer.
  2. Primer Pocket: Located at the case head, it houses the primer, which ignites the powder charge.
  3. Powder Capacity: The amount of space inside the case for gunpowder.
  4. Neck: The narrow portion at the mouth of the case that holds the bullet.
  5. Shoulder: The angled part between the case body and the neck.
  6. Case Body: The main part of the brass that holds the powder and bullet.

The Importance of Quality Brass

Using high-quality brass is essential for consistent and reliable performance. Quality brass ensures better accuracy, longevity, and fewer misfires. Investing in good brass pays off in the long run, as it can be reloaded multiple times without compromising performance.

Reloading .338 Win Mag Brass

Step-by-Step Guide to Reloading

Reloading .338 win mag brass for sale allows shooters to customize their ammunition for optimal performance. Here’s a step-by-step guide to the reloading process:

  1. Inspect the Brass: Before reloading, carefully inspect each case for signs of wear or damage. Discard any damaged brass.
  2. Clean the Brass: Use a tumbler or cleaning solution to remove dirt, carbon, and residue from the cases.
  3. Resize the Brass: Use a resizing die to ensure the case dimensions meet SAAMI specifications.
  4. Trim the Brass: Trim the case to the proper length using a case trimmer.
  5. Chamfer and Deburr: Chamfer the inside of the case mouth and deburr the outside to prevent bullet damage during seating.
  6. Priming: Install fresh primers into the primer pocket using a priming tool.
  7. Measuring Powder: Use a precise scale to measure the desired powder charge.
  8. Seating the Bullet: Carefully seat the bullet at the appropriate depth using a seating die.
  9. Crimp the Bullet: If necessary, apply a slight crimp to secure the bullet in place.
  10. Final Inspection: Inspect the reloaded rounds for quality and consistency.

Tips for Better Reloading

  • Always follow published load data and start with conservative powder charges.
  • Keep brass cases separated by the number of times they have been fired to maintain uniformity.
  • Avoid overworking the brass, as it may lead to case head separation and reduced accuracy.

Advantages of .338 Win Mag Brass

The .338 Win Mag brass offers several advantages, making it a top choice for shooters and hunters:

  1. Powerful Performance: The cartridge delivers high muzzle velocity and energy, making it effective for long-range shooting and hunting.
  2. Versatility: The .338 Win Mag can handle various bullet weights, making it suitable for different shooting applications.
  3. Availability: .338 Win Mag brass is widely available, both as new and once-fired cases.
  4. Reloadability: High-quality brass can be reloaded multiple times, reducing overall shooting costs.


The .338 Win Mag brass is a fantastic choice for those seeking powerful and accurate ammunition for their long-range shooting and hunting needs. By understanding the components and reloading process, shooters can maximize the potential of this cartridge while enjoying its advantages. Remember, safety is paramount when reloading, so always follow proper reloading practices and start with conservative loads.


Build the perfect load has long been the motto of hand loaders loyal to Nosler brand bullets – and was the sole reason Nosler developed Nosler cartridge brass. Introduced in 2005, the Nosler cartridge brass line is ready to load. Manufactured with the traditional Nosler philosophy of uncompromising attention to detail, Nosler cartridge brass is created to exact dimensional standards and tolerances, using quality materials for maximum accuracy and consistency potential while extending case life. Nosler brass also undergoes the rigorous quality control that premium Nosler bullets have experienced for over 60 years.

  • Fully prepped, ready to load
  • Case mouths are chamfered and deburred
  • Nosler Brass is hand-inspected and weight-sorted
  • Flash holes are deburred and checked for proper alignment
  • Quality made, Nosler Brass is packaged in quantities of 25, 50 and 100 count
  • Each piece of brass is full length sized and trimmed to proper length

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