Winchester Rifle Brass Springfield Unprimed 50/Pack. This piece of Winchester Cartridge Brass is unprimed untrimmed and un-primed and comes in a box with a quantity of 50 cases. For competitive shooters and wild boar hunters the Winchester 30-06 Unprimed Brass Cartridge Cases is a must-have. At Optics Planet Inc. we make it as easy as possible for you to reload your used or spent bullet casings. There is a wide variety of Winchester Bullet Cases to choose from on our site. We also have .30-06 Brass Cases Winchester Cartridge Brass & Bolts & Nuts as well as Winchester Ammo Winchester Reloading Equipment Winchester Rifle Shellcases Winchester Reloading Pouches and more Specifications for Winchester .30-06 Springfield Unprimed Rifle Brass: Manufacturer: Winchester Caliber: .30-06 Springfield Primed: No Brass Quantity: 50 Piece Cartridge Case Material: Brass Package Contents: Winchester Unprimed Rifle Shellcases 30-06 Springfield Winchester WSC3006SFU: Rifle Brass .30-06 Springfield Unprimed 50/Pack