Looking good so far man!
I did the same thing on my Hasbro ESB Fett.
[ATTACH]208214[/ATTACH][ATTACH]208215[/ATTACH][ATTACH]208216[/ATTACH][ATTACH]208217[/ATTACH]
If any of my trials and tribulations helps, here's my two threads on the project!
[URL unfurl="true"]https://www.thedentedhelmet.com/forums/threads/hasbro-esb-fett-to-rotj-conversion.35312/[/URL]
[URL unfurl="true"]https://www.thedentedhelmet.com/forums/threads/hasbro-black-series-rotj-conversion-update.35559/[/URL]