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How to Install the Gideon Optics Judge Reflex Sight

Gideon Optics Judge reflex sight mounted on a Canik pistol

Find out how to install a reflex sight on an RMSC pattern slide, like the popular Glock Slimline pistol models. We walk you through installing your Judge sight using the low-profile Picatinny rail or mounting it directly to a compatible RMSC or Holosun K patterned slide.