Redding Full Length Die Set – Series A Full length die sets for bottleneck cases contain two dies. The full length resizing die contains a decapping rod assembly with a neck expander. The seating die includes bullet guide, built-in crimp ring and the proper seating plug. The Reloading die sets listed in this category represent the most popular dies that we produce. Although all Redding Dies are made to the same high quality standards, Series A is the lowest price, due to the efficiency of higher production.