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ranges, then he can compare these traits to like objects at unknown ranges—when the traits match, so do the ranges.

Figure B-3. Range estimation untt-of-measure technique.

half way point

M16a2 Rifle

The Front Sight Post Estimation. The front sight post can be used to estimate range. The targets in Figure B-4 show the soldier perceives the front sight post to be the same width as a man-size target when the target is located at a distance of 175 meters. A man can be covered using half of the front sight post when the range to the target is doubled to 350 meters. An easy rule to remember: if the target is bigger than the front sight post, the target must be within 175 meters; when the target is less than the full width of the front sight post, the target is beyond 175 meters. The silhouette zeroing target provides the same perception to the firer as a man-sized target at 250 meters. The various scaled-silhouette targets provide a means for soldiers to practice range estimation with the front sight post. This is a method of dry-fire training, and soldiers should be aware of the importance of range estimation during all of their marksmanship training.

Figure B-4. Use of the front sight post (M16A1 and M16A2) to estimate range.

175 meters

300 meters

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