Peterson Cartridge 338 Wby RPM Brass – 250ct Bulk Pack

Stock up and save with the Peterson Cartridge 338 Wby RPM Brass in a 250-count bulk pack — the smart choice for serious hunters and precision shooters who demand consistency at the range and in the field. Peterson Cartridge has earned a reputation among competitive shooters and handloaders nationwide for producing some of the most consistent, high-quality brass on the market, and their 338 Weatherby RPM cases are no exception.

Engineered to tight tolerances, Peterson brass delivers exceptional case-to-case uniformity in wall thickness, weight, and neck tension — giving handloaders a reliable foundation for accurate, repeatable loads. The 338 Wby RPM (Rebated Precision Magnum) is a modern, flat-shooting cartridge developed by Weatherby, offering impressive downrange performance for big game hunting and long-range shooting applications.

Buying in a 250-count bulk pack means more time loading and shooting, and less time worrying about running low. Whether you’re preparing for hunting season, building a competition load, or simply maintaining a well-stocked reloading bench, Peterson’s bulk brass is a cost-effective solution without sacrificing quality.

At Deep Roots Rifle Co, we carry a strong selection of premium reloading components from top brands like Peterson Cartridge. Order online through our website for fast shipping nationwide, or stop by our Eustis, Florida gun store where our knowledgeable staff can help you find everything you need to build the perfect load. If you’re looking for hard-to-find calibers and bulk brass at competitive prices, Deep Roots Rifle Co is your go-to source.