At the desired borescope sighting distance, align the bore of the rifle with the center
of a target. Now adjust the scope such that it is aimed at a point "X" mm below the
center of the target, where "X" is the bore scope offset calculated above. Note: most
numbers will be negative, indicating the scope should be aimed below the aim point of the
barrel. Occassionally, especially if the bore sighting distance is short, the number will
be positive, indicating that the scope will actually be aimed at a point above the barrel's
point of aim. In all cases, the windage adjustment should be "zero" - that is, the barrel
and scope should align on a vertical line.
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