Got the 2.0 compact optics ready rather than machine the existing slide on my 1.0 compact, so cannot recommend a machine shop, but direct mount without a plate may allow the oem sights to be used rather than going to suppressor height sights.
Also went w the EPS non carry, 6 MOA green. Dot size is just fine, like it more than the 2 moa 507 I used previously. No crud and lint to clean out and much less comets or streaks compared to the smaller dot. Housing size is just fine.. However am going to get a red version and sell the green, as I "think" the green, even with brightness turned down, just draws my attention away from being target focused too much.
Good luck.