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 thirdparty offset RDS mounts. 2 MOA Dot reticle.