vortex viper pst 6-24x50 moa rifle scope manual - EuroOptic.com

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Eye Relief and Reticle AlignmentAfter installing the bottom ring halves on the mounting base,place the riflescope on the bottom ring halves and loosely installthe upper ring halves. Before tightening the scope ring screws,adjust for maximum eye relief to avoid injury from recoil:1. Set the riflescope to the middle of its magnification range.2. Slide the riflescope as far forward as possible in the rings.3. While viewing through the riflescope in a normalshooting position, slowly slide the riflescope back towardsthe shooter’s face—paying attention to the field of view. Justas the full view is visible, stop.4. Without disturbing the front-back placement, rotatethe riflescope until the vertical crosshair exactly matchesthe vertical axis of the rifle. Use of a reticle leveling tool, aweight hung on a rope, or an adjustable set of feeler gaugeswill help with this procedure.Bore SightingInitial bore sighting of the riflescope will save time andmoney at the range. This can be done by using a mechanicalor laser bore sighter according to the manufacturer’sinstructions or by removing the bolt and sighting throughthe barrel on some rifles.To visually bore sight a rifle:1. Place the rifle solidly on a rest and remove the bolt.2. Sight through the bore at a target approximately 100 yardsaway.3. Move the rifle and rest until the target is visually centeredinside the barrel.4. With the target centered in the bore, make windage andelevation adjustments until the reticle crosshair is also centeredover the target.5. After aligning the reticle, tighten and torque the ringscrews down per the manufacturer’s instructions.Use of an adjustable set of feelergauges between a one-piecebase and fl at bottom sectionof the rifl escope to square therifl escope (and reticle) to thebase.Visually bore-sighting a rifl e.14 15
Final Range Sight-In and CRS Stop SetAfter the riflescope has been bore-sighted, final sight-in andCRS stop set should be done at the range using the exactammunition expected to be used while shooting. Sight in andzero the riflescope at the preferred distance. 100 yards is themost common zero distance, although a 200 yard zero may bepreferred for long range applications.Be sure the reticle is in focus (see Reticle Focus section) and setthe parallax adjustment to match the distance being used forsight-in:Setting the CRS Stop and Indexing Elevation KnobAfter obtaining a satisfactory zero, the CRS stop can be set ifdesired:1. Loosen the three turret cap retaining screws on theelevation turret. Gently pull the turret cap straight up and offof the turret post, being careful not to rotate the turret post.2. Slide the CRS shims on the center section of the turret postbelow the V-grooved part.Place CRS shimsin this groove.1. Following all safe shooting practices, fire a three-shot groupas precisely as possible.2. Next, adjust the reticle to match the approximate center ofthe shot group (see section on Windage and Elevation Adjustment).Note: If the rifl e is very solidly mounted and cannot be moved, simplylook through the scope and adjust the reticle until it is centered on thefi red group.3. Carefully fire another three-shot group and see if the bulletgroup is centered on the bullseye.Alternate shim installation direction180 degrees with each shim.This procedure can be repeated as many times as necessaryto achieve a perfect zero.Use as many shims as necessary tocompletely fi ll up the space. Donot try to force in a last shim oncethe clearance is very close—a tinyremaining gap is normal.16 17
Page 1 and 2: PRECISIONSHOOTINGTACTICALSECOND FOC
Page 3 and 4: Windage and Elevation AdjustmentsVo
Page 5 and 6: Variable Power AdjustmentsTo change
Page 7: Riflescope MountingTo get the best
Page 11 and 12: MaintenanceCleaningThe fully waterp

vortex viper pst 6-24x50 moa rifle scope manual - EuroOptic.com

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