The first reading of almost any survey job should be a backsight onto a fixed point of reference, usually a benchmark of some sort. |
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If your party is recording corrected backsights be sure to read the upper scale if you are shooting a backsight. |
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The Model 41 has an undercut square post foresight, but its backsight attracted interest since it is mounted on a rib extending rearwards from the barrel. |
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The rifle had a 3-leaf backsight and a brass blade foresight dovetailed into the barrel. |
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