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

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