HOLOSUN HS 403B - MOUNTING; Mount Compatibility; Installation Procedure

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MOUNTING
1. The mount is usable for all firearms with a
Picatinny / Weaver rail.
2. Installation setting: Take the previewed torx wrench
and open the torx screw. The mounting has to be
fixed properly on the rail. Once the mounting is set,
use the torx wrench to tighten the torx screw again.
Fig. 4
1 2
Torx screwCross bolt