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RMR optic adapter for Ruger Mark series (I, II, III, IV, 22/45).
Compatible with Holosun 407C, 507C, Trijicon RMR, and all other RMR footprint optics.3D printed from carbon fiber reinforced nylon. Mounting hardware included.Can co-witness with low deck-height red dots and high-rise irons. Stock iron sights will not co-witness with most red dot sights.
Shooter designed and tested. Made in USA.
