Winchester Ammo Reloading Win. WW USC Rifle Brass Shellcase. WW USC Rifle Shellcase is a reloading component that gets the job done every time. With the ability to reload the Winchester Ammo 38-40 Brass Case can make a great addition to your toolbox of reloading gear. These by Winchester are built with unmatched quality control to ensure that every single one of their casings meets precise industry standards for purity and weight. For reloaders who want to get the job done with the first attempt the Winchester Ammo Reloading 38-40 Rifle Shellcase will provide the reliability necessary for great reloading sessions. Specifications for Winchester Ammo Reloading 38-40 Win. WW USC Rifle Shellcase: Manufacturer: Winchester Caliber: .38-40 Winchester Fabric/Material: Brass Package Contents: Winchester Ammo Reloading 38-40 Win. WW USC Rifle Shellcase Winchester WSC3840U: Ammo Reloading 38-40 Win. WW USC Rifle Brass Shellcase