Caliber conversion kits include everything needed to connect the X-10 Bullet Feeder Collator (sold separately) to the X-10 Progressive Reloading Press. Kits include a caliber-specific bullet collator plate, bullet feed and shuttle assembly, and a micrometer adjustable seating die. The bullet feed system is integrated seamlessly into the X-10 Tool Head to feed and seat bullets in the same station. Features: Kit includes bullet feed die assembly and bullet feed plate Integrates seamlessly into the x-10 tool head Feeds and seats bullets in the same station Micrometer for adjustable seating depth (0.001") for fine-tuning bullet seating