I ran the same settings using the Hornady and Nikon online calculators and there is a lot of difference. The Nikon Spot on shows a velocity lose of only 500 fps in 1000 yards, this can’t be right. I running a 6.5 Creedmoor with a 142 grain HPBT, 580 bc at 2610 fps. The Nikon shows a moa...