So if anyone needs ultra detailed instructions on how to connect a Mr. Bullet Feeder collator with micro switch die to a GSI tool head here they are...

Step 1. Get a 3" piece of tubing that has an OD of 5/8" and an ID of 1/2". It can metal or plastic.
Step 2. Connect parts
Step 3. Run loader

This works for both 38/9mm and 45...