.25-06 115g Berger at 2900fps, BC .523
TOF-
100y- 0.107s
600y- 0.760s
1000y- 1.484s

-0.6 seconds(less than 1s) for a bullet to fly 500 yards doesn't effect "random" movement much in my opinion. 1.3s moreso, but still not much.