The caliber conversion kits are designed to fully equip your reloading setup, enabling a smooth and efficient connection between the X-10 Bullet Feeder Collator (sold separately) and the X-10 Progressive Reloading Press. Each kit contains a caliber-specific bullet collator plate, a high-precision bullet feed and shuttle assembly and a micrometer-adjustable seating die. With the bullet feed system seamlessly integrated into the X-10 Tool Head, it ensures precise bullet feeding and seating in a single station, optimizing your reloading process for both speed and accuracy. This comprehensive kit provides everything needed to switch between calibers with ease, enhancing your reloading experience and efficiency.