Jason,I take mine apart and re-assemble all the time w/ no change. Ya kinda gotta take one down to see this, but the part of the riser that mates to the rail has a small lip on either side that fits very close, over-lapping the rail, so even w/o the screws in place, it tends not to want to swivel or turn. This also comes into play if those two screws aren't loc-tited and loosen up a tad, you still hold your zero. By a tad I mean when you put your allen wrench in one and it is so loose you go "Dang, glad I caught this now" lol. Best results, keep em tight!

I had to send my limbs and riser into Dan Miller [Phoenix], one foul too many, lol, took six days total, he replaced both limbs and the dissipator
bars, no charge. While I was waiting, I unbolted the riser/limbs off of my Emax and put it on the Phoenix, I was just under an inch low at 20 yds.