Check the listing for details. Optic Red Dot Mount Plate for Ruger Security 9-For HEX Dragonfly, Sightmark Mini. Condition: New. Listed at 29.99 USD. This Optics Mount Plate is designed to connect Optics Red Dot Reflex Sight to Ruger Security 9 full size and compact size pistols 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 treadlockerThis 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. Payments are accepted through Paypal. We ship through USPS First Class Mail from Oregon, west part of the country should receive in 1-3 days,middle part and east part of the country should receive in 3-6 days!NO INTERNATIONAL SHIPPING! We promise our best quality and the lowest price for our customers, if the item is not as the description in the listing page, we will issue a exchange or full refund. if the item is the same as the description, we willl charge a 15% restocking fee. We are a new seller on Ebay, all our prices are really low compare to others, because we want to earn feedbacks. Please understand our feedback will be left once after we have received feedback from buyer. Our goal is to place a profit margin of $1 ~ $3 per item and sell in volume. As such, the more you save the more we make. While the others are selling 1 item, we are selling 10 ~ 20 items due to our price reduction. Please use the "Ask Seller A Question" button. Please allow up to 24 hours for a response. Usually the buyer will get response in 6 hours. Customer Satisfaction • Please contact us right away (via eBay Messages) if you have any concerns, questions or issues about your purchase – and before you leave feedback. • If you give us the chance, we will make every effort to make it right for you! • We strive for five stars from you in feedback – and work hard to earn it. • Customer satisfaction is very important to us and our goal is to have every customer want to be a repeat customer.