Please don't discuss other companies products on here. If you must, please use the term "the other guys" This is Ultra Sabers site after all.
Perhaps check out TCSS and see what is recommended by them.
Sorry, I thought it's OK as those chassis are 'addons' to an UltraSaber and neither US themselves nor anyone else here (including Sedsti) are offering anything like it.
I completely forgot though about the MHSv2-stuff from TCSS (as MHSv2 seems kind of a dud); with 'suited for 1" ID' those chassis parts might fit into a Prophecy, too:
http://www.ultrasabers.com/Chassis-Parts-C128.aspxPlease see my reply to another thread with direct links to Sedsti Skyfaller and his Shapeways 3D store. He is the only member who has been given permission by Ultra Sabers to advertise and sell his related wares on this forum. Sedsti has many pleased customers and may be able to create a specific customization for your saber needs.

Hmm, it would really be interesting to see if Sedsti is willing to create specific chassis for our US sabers.
After all it's quite some work and I'm not sure whether it would be worth the effort (in comparison to just get a 'generic' chassis).