RCBS 458 Win Mag 3-Die Roll Crimp Set

A three die set for loading the 458 Winchester Magnum, the straight wall dangerous game round. The steel sizer die sizes the case and knocks out the primer; cases must be lubricated first.

The expander die opens the case to take the bullet and bells the mouth for a clean start. The seater die seats the bullet and roll crimps it in place, which heavy bullets need under stout recoil.