Looks like a really good setup! Been thinking about mod'ing one of my polymer guns for a red dot but trying to decide between Glock 19 or 17 or CZ P07 or P09. Have 2 G19s (wife uses one just for a car gun) so was leaning that way, but was thinking it would take a lot longer to do, so didn't didn't want to to be without one of the guns for months, 25 days not bad at all! If I may ask, what'd it run you on the slide? Not counting the Trijicon red dot. Are those Trijicon HD iron sights? As far as mounting location for rear iron sight, was there an advantage to mounting it in front of RMR?
Looking forward to a range report! 
I was going to do this to my Glcok 17 that i chopped to take G19 mags, but then fell back in love with my P-07. and its a CZ suppressor front sight (i believe) and a modified Glock rear (well its a glock rear not sure who makes it) but again CZ front and glock rear.
Cost was $385.43, that was the milling for RMR, mill for the new rear sight, both the front and rear sights, and cerakote (its hard to tell but its their Spartan Bronze, subtle but i like it) they add the correct screws and antiflicker plate.
As for rears forward, i prefer that set up, i originally wanted rear, but after some reading and reasearch i dont see any need for them in the back other than clutter. up front will give the glass some protection, and out of the way until needed. Also the cz slide doesnt leave much room due to design for sights rear. but again that doesnt bug me they are again back up sights so almost never used other than training because Trijicon lol