Winchester Handgun Brass .40 S&W Unprimed 100/Pack. These reloading casings can be trimmed to the right length with the right dies and are ideal for the high volume shooter or reloader. Each piece of Winchester Unprimed Brass Cartridge Brass is screened to an ultra fine finish that ensures a superior casing without any flaws or inclusions and can be resized with the appropriate dies. These cases are packaged in quantities of 100 per box. Specifications for Winchester .40 S&W Unprimed Handgun Brass: Manufacturer: Winchester Caliber: .40 S&W Primed: No Brass Quantity: 100 Piece Cartridge Case Material: Brass Package Contents: Winchester Unprimed Handgun Shellcases 40 Smith & Wesson Winchester WSC40SWU: Handgun Brass .40 S&W Unprimed 100/Pack