ADE Optic Mounting Plate for Ruger 57 Pistol - Compatible with ADE RD3-018 Stingray, ADE RD3-020 Raptor, RD3-022 Artemis, RD3-023 Valkyrie, Trijicon RMR/SRO, Holosun HS407C/HS507C/HS508T Red Dot Sight - Ade Advanced Optics, Ruger 57 Optic Mounting Plate

• This plate is for Ruger 57 pistol ONLY, it does not fit any other pistols. The plate is compatible with RD3-020 Raptor, RD3-023 Valkyrie, RD3-019 Stingray, Trijicon RMR/SRO, Holosun HS407C/HS507C/HS508T, Riton X3 Tactix PRD, Trijicon RMR/SRO, Swampox Kingslayer/Liberty/Justice red dot sight and Holosun 407C/507C Screws are provided for Trijicon, Holosun 407C/507C and ADE. The provided screws may NOT work other red dots listed. If not, we recommend get the right size screws from a local hardware store. The footprint of this plate is NOT compatible with other footprints. This plate does NOT fit other red dots such as Vortex Venom/Viper, Doctor, Burris Fastfire, Shield RMS/RMSc, Trijicon RMRcc, Deltapoint Pro, Swapfox sentinel, ADE Spike, Holosun 407k/507k. Precision machined out of 6061 aluminum. Weight .4oz.40grain ammo may be necessary for proper cycling due to heavy RMR sights