50bmg should go below supersonic speed at 1600-1650 yards. That will vary depending on altitude, thinner air, and what grain bullet is used. At 2000 yards I calculate the drop to be near 180' . My math may be off a little, 10% little because there are so many variables. Point is that any shot at 2k is near the extreme end of equipment and shooter. Not saying it can't be done but not by me for sure given fifty chances or five hundred. Hats off to those who can.