I'll have to let Rich clarify that for himself, however I believe that he was shooting for groups... that is, how well will the gun group its shots at varying distances. In this case, it is an outstanding group, REGARDLESS OF DROP.
If the gun will group as such, then finding out where you have to aim to accomplish this is a matter of range time. If you took the time to peruse the above posts, you will recognize that drop and trajectory are not quite relevant to each other.
When measuring TOTAL DROP... a bullet traveling 1200 fps at the muzzle will have a total drop of 56.20 inches at 200 yards. It will have a total drop of 42.34" at 175 yards, or a difference in drop of 13.86 inches between 175 and 200 yards. The drop at 100 yards is 13.09 (on paper) or a difference of 39/3 inches from 200 yards..
However, when measuring trajectory, and sighted in for 100 yards, the hold over for that particular group would have been, as I think was mentioned earlier, somewhere on the lines of 29" requiring a holdover of approximately 2 feet on a deer.
Using a method of sighting in for 175 or 200 yards makes your sighting in challenging, yes, but the subsequent hunting with that sight picutre (holdunder) is relatively easy compared to holdover and the problems associated with not being able to see the animal.
Aloha...
