After checking the pics, the only wrong thing I see is the reversed the bottom part, making the D ring on wrong side on a original graflex flashgun, probably the screen used prop.
What makes me think about it is the front is cut on a press like the real stuff but all replicas are cut differently, leaving a different cutting pattern.
Sadly, no pic of the bottom on the black background photos, it would be easy to know if genuine graflex or not, because on the unboxing video, seems there is no graflex marking on back.
The other solution I see is the propshop used genuine graflex for their saber replicas.
Is there any picture of the prop where we can see the cap?
If it was possibe to see the cap, it would be easy to compare with the pictures of original graflex provided by 3cell for production and I'm quite sure one of them is on these pictures on black background.
I see people telling the master replica elite is more accurate to screen used Luke than the -what I suppose to be- original prop to itself and if not, a s close replica it's really crazy.
I fond this article, not sure it has already been shared in this thread stopped reading on page 15 or so...
http://avax.news/fact/Buyinga_Piece_of_Star_Wars.html
awesome photos, and awesome stuff for working too...including a 3D prototyping metal printer with laser, I have been in a workshop with such a machine.
You can also see some rough kylo helmets showing the chrome plate is spare part like the BS helmet and a set of pictures of the original prop as references for the painter.