Full Length Die Set Features Full length die sets for bottleneck cases contain two dies. The full length (FL) resizing die contains a decapping rod assembly with a neck expander (size button). The seating die (ST) includes bullet guide built-in crimp ring and the proper seating plug. Full Length Die Set Specifications Brand: Redding Reloading Caliber: 6.5mm GAP 4S Reloading Die Type: Rifle Set Full Length Resizing Die Seating Die