7K is a guess, because the target is COMPLETELY off the range scale, FAR off!!!
But the 3K+ stadia, won't get the shell 1/2 way to the target...
So my best guess is about 7K....
Hoffman is right, chuck a shell out there, or two at that range...
When ya hit in his area, readjust your gunsight reticle, so you have reference point...
Because the range scale means doodlysquat at that distance...
It's just Kentucky Windage, pure and simple!!!
Then adjust....
But remember your point of aim for the previous shot... Before you adjust...
Because the gun won't return to the exact same position after it is fired...
Thats why some guys, shoot over and under constantly, while Im gettin hits on them...
Long range duels between groups of tanks is a ton of fun...
Some GOOD shooters out there too, so watch your azz...

RC