Sizing dies require the purchase of appropriate neck bushings for the caliber you are loading. To determine the proper neck bushing size, measure the outside neck diameter of a loaded cartridge and subtract .002" to .003" to allow for a small amount of brass spring back.Read more
The most important link in the reloading process is quality dies. Quality dies give you the accuracy needed for a competitive advantage. For shooters who demand reloads equal to the quality of their guns, choose RCBS dies.