Nosler Premium Brass 300 Winchester Magnum 50/Box Unprimed Rifle Cases

The Nosler Premium Brass line gives serious handloaders a high-quality starting point for precision rifle ammunition. This offering is configured for the 300 Winchester Magnum cartridge and is sold as unprimed cases, so the reloader controls every component that goes into the finished round.

Built to Nosler's tight tolerances, each case is full-length sized and manufactured from quality brass. The cases are weight-sorted for lot-to-lot consistency and feature deburred flash holes to promote reliable ignition and predictable pressures - qualities that matter when working up magnum handloads at high pressure.

Packaged in a 50-count box, this 300 Winchester Magnum brass is intended for hunters, long-range shooters, and competitive reloaders. Unprimed rifle brass can typically be reloaded multiple times, allowing the handloader to develop custom hunting or target loads while keeping case preparation consistent across cycles of firing, resizing, and reloading.