1/Will a Luxe X trigger work in the TM40?
No, the TM40 trigger frame is slightly different from the Luxe X, so the old style triggers will not work in them.
2/Does the Luxe TM40 come with the mechanical frame?
No, the TM40 does not come stock with a mech frame included, however you can purchase them separately!
3/What barrel threads does the Luxe TM40 have?
The TM40 uses Impulse / Ion / Luxe Threaded barrels.