• This mounting plate is designed to connect red dot sights to Ruger Mark I, II, III, IV, IV-Lite, 22/45 pistol by attaching to the two holes on top of the slide.For Mark I and II, confirm it has drilled/tapped holes. Plate will not work without holes.
• Comes with one picatinny mounting plate and one ruger plate. No need to replace the rear sight and allowing user to co-witness the rear sight. Scroll down to Product Description to see the fitment list for Ruger Mark Series.
• Fully windage and elevation adjustable and lockable; Unlimited Eye Relief. 5 MOA. 5 Illumination Settings. Powered by a lithium CR2032 battery(Included)
• The red dot is designed to fit the slide/footprint on the cut made for Vortex Venom, Burris Fastfire, Meopta, Docter, Insight.
• Lenses are precision ground and polished to exacting geometries to virtually eliminate parallax and to provide a very clear, crisp sight picture.