Description
WINCHESTER UNPRIMED BRASS — 300 WIN MAG (50-Pack)
Build hard-hitting, long-range .300 Win Mag loads with brass that’s made to be consistent and durable. Winchester unprimed cases give you a reliable foundation for precision, hunting, and training ammo.
Why you’ll choose Winchester
- Reliable uniformity: Consistent case weight, neck thickness, and internal volume for predictable pressures and velocities.
- Strong, long-lasting: Quality alloy and proper annealing support multiple reloads with stable neck tension.
- Smooth prep and priming: In-spec primer pockets and flash holes for cleaner ignition and easier case prep.
- Reloadable confidence: Factory-new, unfired brass ready for your preferred sizing and trim.
Quick specs
- Caliber: 300 Winchester Magnum
- Count: 50 new, unprimed cases
- Primer size: Large rifle magnum (pockets unprimed)
- Case material: Brass, Boxer-primed compatible
Best for
- Precision hunting loads and long-range work
- Shooters building a matched lot for season consistency
- Handloaders seeking dependable brass at a solid value
Reloading notes
- Full-length size and check case length before first load; trim/chamfer/deburr as needed.
- Always work up loads—case capacity varies across brands and will affect pressure.
- Inspect after each firing; anneal necks periodically to extend case life.
Start your .300 Win Mag right. With Winchester brass, you get the consistency and durability your rifle demands—50 cases per pack
