Winchester Rifle Brass Winchester Unprimed 50/Pack. Compared to many other brands Winchester uses a strict manufacturing regimen which includes annealing which results in a slight stain near the neck. And finally a quick annealing process ensures the hardness and strength of the casings. Winchester Unprimed Rifle Brass 30-30 Winchester is a quality versatile and economical choice for the reloader of all levels. One problem that many reloaders will experience when working with other brands is that sometimes it is impossible to get an exact match. This Winchester 30-30 Brass Rifle Cartridge Case will work best for those who are looking to start from a certain point in the reloading process and maintain a consistent roundness. Specifications for Winchester .30-30 Winchester Unprimed Rifle Brass: Manufacturer: Winchester Caliber: .30-30 Winchester Primed: No Brass Quantity: 50 Piece Cartridge Case Material: Brass Package Contents: Winchester Unprimed Rifle Shellcases 30-30 Winchester Winchester WSC3030WU: Rifle Brass .30-30 Winchester Unprimed 50/Pack