Winchester Ammo WSC300WMU Unprimed Cases 300WinMag Rifle Brass 50/Bag

Winchester unprimed rifle brass in 300 Win Mag caliber gives reloaders a quality foundation for building custom ammunition. Each pack contains 50 cartridge cases ready for your reloading process—from sizing and charging through to bullet seating and priming. As a magnum rifle cartridge, the 300 Win Mag is popular for long-range hunting and target shooting, making reliable brass an essential component for consistent performance. Stock this versatile Winchester brass for your bench and reload exactly to your specifications.