Ok, time for a little visual update:
Rear scope cap removed. this wa sa pain in the an impolite person, as it was smothered in glue at the top, and virually none the rest of the way around. I recommend drilling out the rear flat plastic area. Find the notch on the left side and work the side off from the end rather than from the front. But's that my experience.
Also, I removed the Doopy Resin counter to make this an easier job. I really shoudl have done this during the initial build, but whatever... onwards:
Plastic Joining piece is gonna present an issue with the scotch tape roller, so it's gotta go:
and now its gone: