The bullet path doesnt have to be a great circle as compared to the earth. Thats what your levels are for. Cant aim off for bullet spin, etc....
I mean, he shot him with a rifle and had to see him when he shot him AND he did have to make sure that no part of the earth got in the way before the bullet hit the target, right?
I’m just being critical. Still pleased as punch that I can hit 500yds.
See there. I just showd my age. I was taught to figure all that crap out.