Peterson Cartridge .338 Winchester Magnum Unprimed Brass Rifle Cases - 50/Box

The Peterson Cartridge .338 Winchester Magnum unprimed brass cases give reloaders a match-grade foundation for handloaded .338 Win Mag rifle ammunition. Each box contains 50 new-production brass casings, packaged 10 boxes per case (500 cases total).

These casings arrive unprimed, allowing the reloader to install their preferred large rifle primer to match their chosen load recipe. Manufactured in the USA by Peterson Cartridge, the brass is processed to consistent dimensions and is well-suited for reliable sizing, seating, and ignition across multiple reload cycles.

A proven magnum rifle cartridge, the .338 Winchester Magnum is a popular choice for handloaded hunting and big-game loads. These unprimed cases provide the consistent, quality components reloaders need for custom magnum rifle ammunition.