Vortex Optics RAZOR HD 5-20X50 RIFLESCOPE — First Focal Plane User Manual
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Use 35mm rings for the Razor 5–20x50
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Riflescope Mounting
To get the best performance from your Vortex Razor 
riflescope, proper mounting 
is essential. Although not 
difficult, the correct steps 
must be followed. If you 
are unsure of your abilities, 
it would be best to use 
the services of a qualified 
gunsmith. 
Centering of the Reticle
The Vortex Razor HD riflescope is pre-set from the factory 
with the reticle in the center of the adjustment ranges. This is 
the best position to begin sight-in.
1. Loosen the elevation turret cap retaining screws and remove 
the elevation cap.
2. Loosen the eleveation zero stop lock screws.
3. Turn the windage and elevation turrets clockwise until 
stopped.
4. Turn windage and elevation turrets counter-clockwise 4.25 
full rotations to approximately center the reticle.
If you have changed the settings and wish to reset the 
reticle to the center, this can be done easily: 
Rings and Bases
Mount an appropriate base and matching rings to your 
rifle according to the 
manufacturer’s instructions. 
The Vortex Razor 5–20x50 
riflescope requires 35mm 
rings. 
Vortex Optics highly 
recommends using the 
matched Vortex Optics 
Omega 35mm precision ring 
sets which may be purchased 
from an authorized Vortex 
riflescope dealer. These rings will mount to any quality Weaver 
or Picatinny type base.
If using aftermarket rings, use the lowest ring height that will 
give complete clearance of scope and rifle—avoiding any 
contact with barrel, receiver, bolt handle or any other part of 
the rifle. A low mounting will help assure proper cheek weld, 
aid in establishing a solid shooting position, and promote fast 
target acquisition.
At this point, the riflescope is ready for bore sighting (see 
Bore Sighting section).