Building on the remarkable success of our M-series sizing die, we aimed to infuse this traditional 7/8″ die with as many of the M-series' industry-leading features as possible. This approach ensures that users benefit from advanced design and functionality, making it an ideal choice for those who demand precision and reliability in their reloading process.

• 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