Brownells 75th Anniversary - A Shooting Heritage
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Determine Sight Height

Use the following equation to determine the height change you need to make:

Sight change =
Sight Radius X_ Impact distance
Target distance

Sight radius: Distance between front and rear sight

Impact distance: Measurement from point of aim to bullet impact

Target distance: Measurement from muzzle to target

Sight change: Amount of correction needed

Sight rule: Move rear sight in the direction you want the bullet to move. Move front sight the opposite direction you want the bullet to move.