The X-10 Press Caliber Conversion Kit for 6mm/243 Caliber provides everything needed to connect your X-10 Rifle Bullet Feeder Collator to the X-10 Progressive Reloading Press for precision ammunition reloading.X-10 Press Caliber Conversion Kit - 6mm/243 CaliberCaliber-specific micrometer adjustable seating die assembly with on/off switchIntegrates seamlessly into the X-10 tool headFeed and seat bullets in the same stationMicrometer adjustment for precise seating depth (0.001" increments)Frees up a station for bullet crimp or other operationsEssential for reloaders using the X-10 Progressive Press system this conversion kit streamlines the bullet feeding and seating process while maintaining precision control over cartridge specifications. Requires X-10 Rifle Bullet Feeder Collator (sold separately).