Winchester WSC307U unprimed 307Win rifle cartridge cases are designed for reloaders who want consistent, smooth chambering performance. Each bag contains 50 cartridge cases made from cartridge brass, ready to prime and load to your preferred specifications.
Key Features
Factory Winchester tolerances for consistent chambering
50 cases per bag for convenient batch reloading
Cartridge brass construction for reliable handling and forming
Unprimed 307Win rifle brass for controlled, step-by-step reloading
Build your next 307Win load with dependable Winchester unprimed cases—prime, resize, and load at your pace.
