SIG SAUER SIGM400 Rifle - Manual (Page 37)

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Zeroing Adjustments (Cont)
To remember your correct zero windage, note location of windage scale and windage knob pointer (heavy mark on
outside of knob).
Do not center rear sight aperture for inspections. Keep your correct bat&sight zero windage on your weapon at all times.
By following the steps below and establishing a zero at 25 meters, your sights will be set with a 300-meter battlesight.
NOTE: Do not move front sight post at this time. lt was set at the factory or by a previous shooter and should be very
close to your zero.
Center the rear sight aperture by turning the windage knob left or right. (This is called mechanical zero windage.)
1. Position a 25 Meter Zero Target; 25 meters from the firing line.
2. The unmarked long range aperture should be up.
3. Rotate elevation knob in the down direction (counter-clockwise). The elevation knob should stop on the 300-meter
mark (6/3). The rear sight should be all the way down on the last whole “click” before it bottoms out. This is called
mechanical zero elevation for the rear sight If your range scale will not line up in the above manner, an armor will be
required to adjust the range scale for you.
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