Ultimate Arms Gear Pistol Handgun Scope Mount Fits Sig Sauer 226 229 220 P250 Sig Pro Pistols + "CQB" Red-Green Reticle Dot Open Reflex Sight/Scope Package Includes: Pistol Scope Mount + Open Reflex Red & Green Reticle Sight. Constructed from Precision Machined Aircraft Grade Aluminum Alloy. Fits on Most Pistol Accessory to Provide a Solid Style Platform for Most Optics. Provides A Standard 7/8" 12 Slot Top See-Thru Designed & 3 Slot Bottom - For Attaching Scopes, Sights, light, lasers etc. Specifications: Length 5" inches. Weight 3 oz. Tubeless Open Reflex Design, Separate Reticle Patterns In Both Red and Green for every Situation, Different Brightness Settings (3-Red 3-Green). Easy to Install. 2 Set Screws Lock Tight to Existing Rail.