I have a spare set of winchester model 70 short action 20 moa two piece mark 4 bases that I would like to mount on a model 70 long action 300 win mag. All screw holes line up... I have not run the calc, but I imagine it would make the base less that 20 moa but still more that 0 moa. I plan to use this rifle hunting to a maximum of 400 yards... 500 if needed. Does anyone know a reason not to use these bases for mounting my scope on the long action rifle?