Ultimate Arms Gear Tactical CQB 4 Reticle Dual Red / Green Open Reflex Sight + Ruger 10 22 10-22 Rifle Weaver-Picatinny Rail Mount Kit Combo Combination Package Kit Set Bundle High quality aircraft grade aluminum construction, shock proof, fog proof, water resistant ideal for military-law enforcement-hunters. 4 Different Reticle Designs for every Tactical Solution. 6 Brightness Settings (3 Red, 3 Green). Tubeless Design. 1x Magnification. Objective (mm)-24x34. Unlimited Eye Relief. Thermoplastic Lens Cover Included. Battery Included. Multi-Coated Lens. Black Finish. Windage & Elevation Adjustments. Weight-4.2oz. Length-3.25". Wide Sharp Field of View. The included Ruger 10/22 weaver mount is made from black finish T6 Aluminum, and is extremely stable and durable. The Mount will provide a 7/8" weaver-picatinny rail to accept the included 4 reticle sight or any other weaver-picatinny based accessory . Easy installation, hardware included.