When zeroing on either a modified field fire range or a KD range using the M16A2 300-meter feedback targets, the initial sight setting field fire must be placed on the weapon. To do this, the soldier flushes the front sight post, centers the 0-2 aperture on the rear sight, and sets the elevation knob to the 8/3 mark. Point of aim should be on the 300-meter feedback target center of mass. During zeroing, the soldier makes all adjustments for elevation with the front sight post. If the rifle has been zeroed by another soldier, the weapon is closer to being zeroed than if returned to the initial sight setting. Therefore, the sight setting on the rifle is usually used as received by the soldier.
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