Vortex Optics RAZOR HD 5-20X50 RIFLESCOPE — First Focal Plane - Manual (Page 10)

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Range Sight-In and RZR Zero Stop Set
After the riflescope has been bore-sighted, final sight-in
and RZR Zero Stop set should be done at the range using
the exact ammunition expected to be used while shooting.
Sight in and zero the riflescope at the preferred distance.
100 yards is the most common zero distance, although a 200
yard zero may be preferred for long distance applications.
1. Be sure to follow all safe shooting practises. Before shooting,
be sure the reticle is in focus (see Reticle Focus Adjustment).
2. At your preferred zero distance, fire a three-shot group as
precisely as possible.
3. Next, adjust the reticle to match the approximate center of the
shot group (see section on Windage and Elevation Adjustment).
As previously noted in the section on bore sighting, the elevation turret cap
turret should be removed and zero stop lock screws should be loosened.
4. If the rifle is very solidly mounted and cannot be moved,
simply look through the scope and adjust the reticle until it is
centered on the fired group.
5. Carefully fire another three-shot group and see if the bullet
group is centered on the bullseye.
After obtaining satisfactory zero, set the RZR zero stop:
1. Re-tighten the three zero stop lock screws. Do not over tighten:
thumb and forefinger on the short end of supplied hex wrench
will be sufficient.
2. Replace elevation turret cap, being sure to align “0” mark on cap
with the zero reference line on scope body. Push the cap straight
down and avoid turning while doing this.
3. Be sure the cap is fully down and re-tighten elevation cap
retaining screws. Do not overtighten: using thumb and forefinger
on short end of hex wrench will be sufficient.
Note: To re-zero for a different load, repeat complete bore
sighting and range sight-in procedures. It is important to always
begin any sight-in adjustments by turning elevation turret
clockwise until fully stopped.
Re-Indexing Zero Mark on Windage Knob
If desired, the windage knob may be re-indexed to zero after
sight-in. This will allow an easy return to the zero point if
temporary windage corrections are dialed in the field.
1. After completing the final sight-in, fully loosen the three
windage turret cap retaining screws and carefully pull the turret
cap straight off. Re-position with the “0” mark on the cap aligned
with the zero reference line on the turret post and push the cap
straight down. Avoid rotating while pushing down.
2. Be sure the cap is fully down and re-tighten windage knob
retaining screws. Do not overtighten: using thumb and forefinger
on short end of hex wrench will be sufficient.
If necessary, make another adjustment to the riflescope and
fire another group to verify zero. This procedure can be
repeated as many times as necessary to achieve a perfect zero.