This two dies set from Hornady includes a Full Length (FL) Sizing die and a Seating die. Can be used for the K31.

Hornady Custom-Grade™ New Dimension™ Dies are the most advanced reloading dies available today. They’re created from select steel that’s heat-treated to ensure it’s got the durability needed for a lifetime of reloading. Custom-Grade New Dimension Dies are so well crafted, they’re guaranteed never to break or wear out from normal use, or they’ll be repaired or replaced at no cost. Includes full-length size die and seating die with expander assembly.

Shellholder sold separately.