What a bewildering array of parts, acronyms and brand names. This thread, and there are many like it, seem to be written only for the initiated. Beyond my ken. I can shoot them but want no part of fussing with them. You did a good job of researching your parts it would seem by the responses of other initiates. Well done. You have a lot of patience.
Great looking rifle. I would be interested in hearing how it shoots.