I will use a Carclo 105xx triple optic which is the same optic the FW3A uses.
However the MCPCB is a 20mm triple that is custom machined smaller to fit inside the SC31 Pro.
I will also be using a custom machined copper spacer.
Yes, others have done this before.
Here’s some pictures of one that I did for a buddy of mine(he stripped and polished it) I added the triple and added aux:
