Holosun Solar Charging Rifle Sight 1x 22mm Rifle Scope - 2 MOA Dot, 65 MOA Circle - The SCRS (Solar Charging Rifle Sight) advances Holosuns SCS technology creating an all-new, ultra compact 20mm tube sight designed for rifle applications. SCRS features multi-directional light sensors and an advanced Auto Mode for automatic reticle intensity settings and Manual Mode for manual control of dot intensity. SCRS is made from 7075 aluminum and utilizes Holosuns 509T footprint for compatibility with third party offset RDS mounts. 20,000-Hour Power Reserve Multi-Sensor Auto Brightness Solar Charging Internal Battery Multiple Reticle System (MRS): 65 MOA Circle & 2 MOA Dot; 2 MOA Dot; 65 MOA Circle Parallax Free & Unlimited Eye Relief Fits Holosun 509T Footprint (Modified - Smaller in length)