Peterson Cartridge 300 Win Mag Rifle Brass Casings - 50/Box

The Peterson Cartridge 300 Winchester Magnum rifle brass casings are unprimed, new production reloading components manufactured from high-quality brass.

Peterson Cartridge has earned a strong reputation among handloaders for producing some of the most consistent, accurate, and durable brass rifle casings on the market. Each casing is produced to tight tolerances, giving reloaders uniform case dimensions, predictable case capacity, and excellent longevity across multiple reload cycles.

This listing offers 50 casings per box with 10 boxes per case (500 casings total per case), sold by the box. The casings are unprimed and ready for the reloading bench - pair them with a large rifle primer, your powder charge, and bullet of choice, and you're set.

The 300 Win Mag remains one of the most popular magnum rifle cartridges in America for hunting and long-range work, and these brass cases give reloaders a reliable platform for building accurate handloads.