VIPER RED DOT
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Sighting in
After mounting, an initial sight-in of the Viper red
dot at 25 yards will be helpful. Final sight-in should
be done at the desired distance (typically 25-50
yards).
1. Be sure the windage and elevation lock screws
are tight before firing. Fire a three-shot group as
precisely as possible at 25 yards.
• Loosen the Windage and Elevation Adjustment
Lock Screws before adjusting.
• Using the center of the three-shot group as a
reference, make the necessary adjustments for
windage and elevation correction. Using arrows
for reference, adjust dials in the direction you
wish the group to move. At 25 yards, each dial
mark will yield about ¼ inch of adjustment.
• Re-tighten the lock screws.
2. Fire a three-shot group at final preferred sight-in
distance (25-50 yards).
• Loosen windage and elevation lock screws
before adjusting.
• Using the center of the three-shot group as
a reference, make necessary adjustments for
windage and elevation correction. Using arrows
for reference, adjust dials in the direction you
wish the group to move. At 50 yards, each dial
mark will yield about ½ inch of adjustment.
• After achieving satisfactory zero, re-tighten
lock screws.
3. Fire a final three-shot group to confirm proper
adjustment. Repeat as necessary.
• Confirm that all mounting screws and lock
screws are snug and tight.
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