Optic Mounting Plate for Ruger Security 9 - Compatible with ADE RD3-018 Spike, RD3-021 Nuwa, RD3-030 Apollo, Shield RMSc/RMS, Sig Romeo Zero, Crimson Trace CTS-1550 red dot Sight

This Optics Mount Plate is designed to connect Optics Red Dot Reflex Sight to Ruger Security 9 Pistol by Replacing the Rear Sight with this Optic Mounting Plate. Attention! This Ruger Security 9 optic plate does NOT fit Ruger SR9 pistol. Ruger SR9 and Ruger Security 9 are completely two different pistols. Torque screw to 15inch/lb. For gun glue, we recommend to use loctite treadlocker Comes with several pairs of screws for ADE, Shield, Holosun, Vortex, Burris red dots. The screws should fits most of the listed red dot but not guaranteed for every red dot. If you need the longer/shorter screw to work properly, we recommend going to a local hardware store such as ACE Hardware to get the right size. This plate fits Vortex Viper/Venom, ADE RD3-003,RD3-006, ADE RD3-009,RD3-012(and Pro),RD3-015(and Pro), RD3-028, RD3-018 Spike, , Docter/Noblex Sight C, Docter/Noblex sight 2+, Docter/Noblex sight III,QUICKsight 5.0 VR, Noblex Sight G,Burris Fastfire 2, 3, Delta Optical MiniDot,Delta Optical MiniDot II,Hawke Reflex,Sightmark Mini Shot Pro Spec,Mini Shot M-Spec,Leica Tempus, MAKdot, Vector Optics SCRD-19II Frenzy,Creative XP GlassEagle HD, HEX Dragonfly,CT RAD Pro, Cyelee CALF V2,Vomz Pilad. Also fits Burris Fastfire 2, Burris Fastfire 3, Delta Optical MiniDot, Delta Optical MiniDot II, Hawke Reflex 1×25, Sightmark Mini Shot Pro Spec, Sightmark Mini Shot M-Spec, Leica Tempus, MAKdot 1×25, Vector Optics SCRD-19II Frenzy 1x17x24, Creative XP GlassEagle HD, Riton MPR D2, Riton 3 Tactix MPRD, Swampfox Sentinal, HEX Dragonfly, HEX Wasp, Crimson Trace CT RAD Pro, Cyelee CALF V2, Cyelee CAT PRO, or Vomz Pilad 1×20. Comes with several pairs of screws for ADE, Shield, Holosun, Vortex, Burris red dots. The screws should fits most of the listed red dot but not guaranteed for every red dot. If you need the longer/shorter screw to work properly, we recommend going to a local hardware store such as ACE Hardware to get the right size.