I have no idea how DoDMERB handles your issue. Would assume that unless it is explicitly proscribed, then it would be handled on a case by case basis.
What I can tell you is my personal experience. I had the surgery in 1979 after three dislocations. The surgery was performed by one of the developers of the procedure. At that time, some surgeons were still using pins. Those who got the pins definitely had reduced range of motion.
Within a couple of years I stopped worrying about the shoulder popping out and have stayed relatively active over the years. I have total range of motion and as part of a regular workout regime, I do push-ups and pull-ups to the point of exhaustion.
You will have the advantage of a smaller scar and infinitely better follow-up physical therapy than I had.
