Ma Standard Sights And Zeroing

Figure 3-25. M16A2 rear sight.

0-800 meters aperture

windage knob index windage knob limited visiability and moving target ape elevation knob

0-800 meters aperture limited visiability and moving target ape elevation knob

index

The larger aperture, marked 0-2, is used for moving target engagement and during limited visibility. The unmarked aperture is used for normal firing situations, zeroing, and with the elevation knob for target distances up to 800 meters. The unmarked aperture is used to establish the battlesight zero.

After the elevation knob is set, adjustments for elevation are made by moving the front sight post up or down to complete zeroing the rifle. Adjustments for windage are made by turning the windage knob.

The rear windage knob start point is when the index mark on the 0-2 sight is aligned with the rear sight base index (Figure 3-26).

Figure 3-26. Initial rear sight adjustment.

elevation knob

Figure 3-26. Initial rear sight adjustment.

elevation knob

M16a2 Windage

windage knob mark on receiver windage knob mark on receiver

Front sight. The front sight is adjusted the same as the front sight of the M16A1. It consists of a square, rotating sight post with a four-position, spring-loaded detent (Figure 3-27). Adjustments are made by using a sharp instrument or the tip of a cartridge. To raise or lower the front sight post, the spring-loaded detent is depressed, and the post is rotated in the desired direction of change. (Figure 3-28).

Front Sight Ajuste Aliexpress BrasilM16a1 Rear Sight Adjustment
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