Series D Full Length Sizing Die Features Redding Series D die represents obsolete cartridges wildcats etc. essentially custom stock. Full length dies are for bottleneck cases. The full length (FL) resizing die contains a decapping rod assembly with a neck expander (size button). Series D Full Length Sizing Die Specifications Brand: Redding Model: Series D Full Length Sizing Die Reloading Caliber: 6mm Dasher Reloading Die Type: F.L. Sizer Amount: 1 Includes: Full Length Resizing Die