I expected the 26 to outperform the 43x and for a minute it looked that way. At the end though I came to a conclusion that the difference was mostly due to my run-to-run variability. 26 was easier to control, 43x was easier to draw, no surprises here. Cumulatively by objective numbers it was a wash while subjectively I felt I had to work harder with the 43x.
I have grown to dislike RMRs and the 507K to me was a better performing optic; perhaps having two similar optics would've changed the outcomes of my short comparison. The only thing that I liked about RMR better was a 6.5 dot which was easier to see in a bright sun. I really wish that Holosun had a 5-6 MOA dot, no circles, option.