Our focus was on maintaining the high quality and performance that users have come to expect from our products. By integrating the best features of the M-series into a more traditional die format, we provide a product that meets the needs of both new and experienced users. This die-only configuration is ideal for those who already have a preferred shellholder or wish to customize their setup. Precision-ground expander mandrels - each die set includes a 0.002 inches neck tension mandrel, for additional tension increments, utilize our comprehensive mandrel kit Full-length sizing from neck to extractor Mechanism for automated ejection of expended primers in spring-loaded systems Interchangeable high-durability steel decapitation pins for enhanced operational efficiency Precision reamer machined to exact specifications for accurate sizing (eliminates bolt adhesion issues post-second operation) Hydraulic shoulder pressure relief system Manufactured in the United States