Burris XT-120 - Manual (Page 10)

Mounting the XT-120
1. With your “cleared and safe” firearm in either hand, hold the
XT-120 in the other hand with the bulb pointing away from your
body in the same direction as the weapon muzzle.
2. Raise the XT-120 up and toward the firearm with the grooves of
the XT-120 aligned with the firearm grooves. Slide the XT-120 back
until the latch engages with an audible “click.”
3. Test the security of the latch by attempting to slide the XT-120
forward. It should remain secure and, if so, is safely mounted.
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