Peterson Cartridge 300 Winchester Magnum Long Brass 50 Count | 40051-R
Reloaders who demand the highest level of consistency and performance from their 300 Winchester Magnum brass will find exactly what they’re looking for in the Peterson Cartridge 300 Winchester Magnum Long Brass 50 Count. This premium unprimed brass from Peterson Cartridge Company features their exclusive “Long” design, which provides extra case length for improved neck tension, greater reload life, and superior consistency. The 40051-R is specifically manufactured for the 300 Winchester Magnum, one of the most popular and versatile big-game cartridges in North America. Each box contains 50 pieces of high-quality, unprimed rifle brass engineered for precision reloading and long-term durability.
Why Choose Peterson 300 Winchester Magnum Long Brass?
The Peterson Cartridge 300 Winchester Magnum Long Brass stands apart from standard brass due to its specialized “Long” case design. Peterson’s Long brass is produced with additional material in the case body, allowing reloaders to trim cases to their preferred length while maintaining excellent neck tension and structural integrity over many reloads. This design is especially beneficial for shooters who neck turn their brass or want maximum case life from their 300 Win Mag loads. Peterson’s reputation for tight dimensional tolerances, uniform wall thickness, and strong case heads makes this brass a favorite among long-range hunters and precision reloaders who load for the 300 Winchester Magnum.
Key Features of Peterson 300 Win Mag Long Brass
- Long Brass Design – Extra case length for improved neck tension and extended reload life.
- 300 Winchester Magnum Specific – Precisely formed to 300 Win Mag specifications.
- Uniform Case Wall Thickness – Promotes consistent expansion and accuracy.
- Strong Case Heads – Built to handle high-pressure magnum loads.
- Excellent Dimensional Consistency – Tight tolerances for precision reloading.
- 50 Count Box – Convenient quantity for serious reloaders.
- Part Number 40051-R – Official Peterson Cartridge product.
- UPC 850005375975 – Authentic Peterson brass.
Superior Performance for Precision Reloading
The Peterson Cartridge 300 Winchester Magnum Long Brass 50 Count is manufactured to the highest standards in the industry. Each case is produced with exceptional uniformity in neck diameter, shoulder angle, and overall length. The Long brass design gives reloaders more flexibility when trimming cases, allowing them to maintain optimal neck tension even after multiple firings and resizing cycles. This results in more consistent bullet seating depth and improved accuracy. Peterson brass is also annealed at the neck to enhance flexibility and reduce the likelihood of cracking during repeated reloading, making it an excellent choice for high-volume reloaders and those who push their 300 Win Mag loads for long-range performance.
Built for Durability and Multiple Reloads
Peterson Cartridge Company has earned a strong reputation among competitive shooters and serious reloaders for producing brass that delivers outstanding longevity. The 300 Winchester Magnum operates at high pressures, and Peterson’s Long brass is specifically engineered to withstand these demands while maintaining structural integrity. The strong case heads and consistent wall thickness allow reloaders to safely work up loads and achieve excellent case life. This makes the 40051-R a smart investment for hunters and shooters who want to maximize the number of times they can reload their brass without sacrificing performance.
Product Specifications – Peterson 300 Win Mag Long Brass
- Brand: Peterson Cartridge Company
- Caliber: 300 Winchester Magnum
- Type: Long Unprimed Rifle Brass
- Quantity: 50 pieces
- Part Number: 40051-R
- UPC: 850005375975
- Best For: Long-range hunting, precision reloading, big game hunting, elk, moose, and deer
Why Reloaders Choose Peterson 300 Winchester Magnum Long Brass
Serious reloaders consistently choose the Peterson Cartridge 300 Winchester Magnum Long Brass 50 Count because of its superior consistency, strength, and extended case life. The “Long” brass design provides a distinct advantage over standard 300 Win Mag brass by offering more material for trimming and maintaining excellent neck tension over many reload cycles. Reloaders report minimal variation in case weight and dimensions, which translates into more consistent velocities and tighter groups. Whether you’re a long-range hunter preparing ammunition for western big game or a precision shooter developing match-grade loads, Peterson Long brass delivers the quality and reliability needed for outstanding results. The 50-count box provides a practical quantity for building a solid supply of premium brass. Many reloaders also appreciate that Peterson brass is proudly made in the USA with strict quality control standards. Its combination of the innovative Long brass design, precise manufacturing, strong construction, and Peterson’s trusted reputation has made the 40051-R a preferred choice among dedicated 300 Winchester Magnum reloaders across the country.
Load with confidence using the Peterson Cartridge 300 Winchester Magnum Long Brass 50 Count. This premium Long brass offers the consistency, strength, and extended reload life that serious reloaders demand for the powerful 300 Winchester Magnum cartridge.
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