firing the M16A1 rifle in a full-value 10-mph wind (Figure F-ll). The firer displaces the center of the front sight post the number of inches shown in Figure F-12 for that particular range.

Figure F-12. Placement of the M16A1 front sight (M16A2 is similar).

Wind has a minor effect on the M16 bullet relative to the size of the target at ranges out to 100 meters. When engaging targets in excess of 150 meters in heavy winds, adjusting the aiming point into the wind increases the probability of a hit. Wind effects are uniform in relation to speed, that is, a 5-mph wind has one-half the effect of a 10-mph wind, and a 20-mph wind has twice the effect of a 10-mph wind.

Firers must adjust their aiming point into the wind to compensate for the effects of wind. If they miss a distant target and the wind is blowing from the right, they should aim to the right for the next shot. A guide for the initial adjustment is to split the front sight post on the edge of the target facing the wind.

The newly assigned soldier should aim at target center for the first shot and then adjust for wind when he is confident that wind caused the target miss. Experienced firers should be able to apply the appropriate holdoff for the first shot, but the basic rule must be followed—when in doubt, aim at target center.

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