This guide details the installation of the Osight XR, a full-size closed-emitter pistol optic, onto a Glock 17 Gen 5 MOS. It covers the use of an RMR adapter plate, proper torque specifications, and thread locker application. The Osight XR is highlighted for its innovative features like a collapsible rear sight and magnetic charging cover, positioning it as a competitive option in the premium optic market.
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