SIG SAUER SIGM400 Rifle - Manual (Page 35)

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Zeroing Adjustments
1. During zeroing procedures, only the front sight post and windage knob are adjusted to move the strike of the bullet on
the target.
2. If you are zeroing on a 25-meter range, the rear sight elevation knob is adjusted in accordance to whichever weapon
you are using.
3. Detailed zeroing procedures are on the target and the following pages.
FRONT SIGHT - The front sight post is moved up or down when zeroing the weapon. Once the weapon is zeroed, the
front sight post should not be moved.
To adjust elevation, depress detent and rotate post. To raise strike of bullet, rotate post in the direction of arrow marked
UP. Reverse the direction of rotation to lower strike of bullet. Each graduation (notch) moves the point of impact of bullet
as indicated.
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