Originally Posted by
Whynot
I just assumed with your user name that you were at high elevation in MT? If that is the case then it should not even be questionable. When you go to the calculator adjust the elevation and see how much of a difference it makes.... increasing speed makes small changes and would guess that you will be around the 3000fps area-- so not seeing any issues-. It should be gyroscopically stable-- and at 400 yards and in you shouldn't need to worry about dynamic stability.
But a stable bullet can still shoot lousy...