This two-die set is designed for reloading bottleneck cartridge cases and includes a Full-Length Sizer Die with an Expander-Decapping Unit, along with a Seater Die featuring a Bullet Seater Plug. The Full-Length Sizer Die resizes the case to SAAMI minimum specifications—reshaping the case body, removing the spent primer, and expanding the neck to properly accept a new bullet. Vents in the die help prevent damage from trapped air or excess lubricant. Headspace is tightly controlled to minimize case body length changes during resizing.

The included Seater Die features an integrated roll crimper that seats and crimps the bullet in one smooth step for secure, consistent performance.