Short Action Customs Modular 223 Remington, 6x45mm (6mm-223 Remington) Bushing Neck Sizing Die

The Short Action Customs Modular Neck Sizer Die has a unique design where the cartridge's body geometry is sized by the die body, the cartridge's shoulder and neck geometry are sized by a "Neck/Shoulder Bushing" (sold separately). This allows one die body to be used for the whole cartridge family. Furthermore, the Modular Sizing Dies are precision machined with the main focus of properly sizing your fired brass. The modular resizing dies will size the base of the cartridge slightly more than the