Operator Manual - Barrett BORS - NIOA LEM

3. Adjust the elevation knob to thehighest setting, then remove the Leupoldelevation knob (3/32in. Allen wrench)toexpose the elevation adjustment post.Figure 2-4.CautionDo not attempt to rotate theriflescope’selevation knob past itsdesigned mechanical limit.4. Place the knob adapterover theelevation post. Apply slight downwarddpressure to ensure that all set screwss(3/32in Allen) are seated below theoutside diameter of the knob adapter andtighten evenly. Use Loctite® if desired.Figure 2-5.5. Place the BORS unit ontop of therear scope ring.Start the four BORSmount screws ( T-25 Torx®wrench), butdo not tighten them. Figure 2-6.Figure 2-4Figure 2-56. Place the BORS elevation knob overthe knob adapter. Ensure the knob isfully seated on the adapterthen securewith knob screwand tighten the Knobsetscrew(3/32in Allen). Figure 2-7.CautionDonot over-tighten the set screw.7. Rotate the BORS elevation knob tothe lowest elevation setting, then backup one complete revolution. The o-ringon the elevationknob serves to align theBORS housing with the scope andreticle.CautionDo not attempt to rotate theriflescope’s elevation knob past itsdesignedd mechanical limit.Figure 2-6Figure 2-77