Ultimate Arms Gear Ruger Ranch Rifle .223 7.62 Mini-14 Mini-30 PC-9 PC-4 Carbine Rail Mount + CQB 4 Reticle Dual Red / Green Open Reflex Sight with Weaver-Picatinny Rail Mount Rail Mount Fits Onto The Existing Integrated Ruger Scope Ring Slots/Grooves. Provides a Weaver Picatinny Standard Accessory Rail for Scopes, Red dot, Lasers etc. Precision Machined with A Hard Anodized Finish Built to Withstand Severe Recoil Abuse. Easy No Gunsmith Installation Requires No Permanent Rifle/Carbine Modification. 4 Separate Reticle Patterns In Both Red and Green 6 Diferent Brightness Settings (3-Red 3-Green). Tubeless Open Reflex Design. Windage and Elevation Adjustments.