I have a g19 gen 5 mos, with trijicon type 2 rmr. Looking for backup night sights. I really like the XS DXT Standard Dot suppressor sights, but don't know if they will give me a lower 1/3. What options are there for lower 1/3 co-witness? The rmr sits lower because of the bottom battery compartment, but the mos is not as deep as a custom milled slide, so that raises the rmr up a little. Will I need suppressor sites either way? This is such a mess!