Great review, -1.
Those two screws in the grip section hold the grip section in place. The rich detail on the hilt is a bunch of shroud pieces. If you want to see the saber taken apart (and not risk voiding your warranty by taking yours apart) James Casey posted pics:
http://www.saberforum.com/index.php?topic=32623.0Sorry for posting down here, as the [Reserves] above can no longer be edited.

Yeah, that's a security measure. It stops spammers from posting stuff and then coming back later and editing their post to add links, after moderators have looked at it.