I will say this from my experience. Christina was very hands on and wanted to touch and feel how everything would feel on her rifle before she picked. She hated the MOE and the UCWRG grips but loved the way the Hogue overmolded grip with finger grooves felt. She hated my MOE stock but loves her CTR stock. Take her maybe out to Rainier and let her handle a lot of different components show her a lot of different configurations. Whatever you do don't tell her "NO" unless you have a good reason behind it.

She picked everything out except the receiver set.. but me knowing that she is a huge resident evil fan it was a no brainer to get the UCWRG receiver set. She told me she wanted a lightweight barrel so I go it from BCM. Other than that she picked every part on her rifle. Looking forward to seeing your build on this one.