A .308 Winchester has 2700 ft-lbs of energy at the muzzle, and 270 ft-lbs of energy at 1700 yds.
Worse, if your rifle is zeroed at 250 yards, the bullet will drop a staggering 2,000 inches at 1700 yards.
If you want to make a 1700 yard shot, you will use a .50 BMG or a .338 Lapua.
Yup, just 270 ft-lbs. Concentrated into an area probably no more than 0.3" dia. Think about a pin punch and a 5 pound hammer stroked through a distance of a foot. Then multiply that by fifty. How big a hole do you think that would punch into a fiberglass tank, or instrument junction?? And if you were going to make a shot at 1700 yards, I suspect one would re-zero for that distance, don't you.