@tibo page 28 explains why there is a difference: Hornady 4dof technical document. I haven't confirmed if 4dof is more accurate. Also if you're using the Improved Rifleman's Rule (the cosine of the drop) a 100m zero is best.
@tibo page 28 explains why there is a difference: Hornady 4dof technical document. I haven't confirmed if 4dof is more accurate. Also if you're using the Improved Rifleman's Rule (the cosine of the drop) a 100m zero is best.
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