The G1 BC of the bullet he's going to - and should have been shooting from all along it .777.
That's all Kool and the Gang, all the same hardware checking out, and all that, but checking the travel that you have right now is kinda of imperative. Not something to blow off, just based on other stuff that someone else has.
Measure your shiit, brother, and see where you are. Know what you have. Don't base it off what someone else has. Measure your own gun, man.
Not trying to sound like a COMPLETE dickhead - but his gun isn't YOUR gun, and all the same hardware doesn't directly equate to the same output, on the end of all this.
This morphed from 1760 yards to 2000 yards, and from what's been observed already, those two games are vastly different.
Just check your scope, Rex, see what down-travel you have now, and see what you have.
Asking for a friend...