I have established using the tall target test that my NF turrets are .262 MOA. My actual velocity is 2902. I can correct for the turret error using a velocity of 2962. POI has been confirmed out to 1000 yards with this correction entered into Shooter(also corrects using my G7 RF). I am trying to figure out how to use the velocity of 2902 and correct for my turret difference in the Shooter program. I thought that this could be done in the rifle file where you can plug in a vertical correction factor. When I plug in a correction factor of .952 which is the factor to compensate for the turret difference the drop chart gives the new drop data for MOA which matches up perfectly with the 2902 velocity drops and I can use these for my correction, but the drop in inches is not corrected in the chart and reads for .25MOA used with a velocity of 2902. Am I dong something wrong. The program doesn't have a place to enter custom turret values. Any help would be appreciated.