The SCRS (Solar Charging Rifle Sight) advances Holosun's SCS technology creating an ultra compact 20mm tube sight designed for long gun applications. The 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. The SCRS is made from 7075 aluminum and includes a lower 1/3 co-witness, 1.63" mount that utilizes Holosun's proven 509T footprint for compatibility with third-party offset RDS mounts. The SCRS is available with a 2MOA dot only or Holosun's MRS (Multi-Reticle System). The SCRS features 12 reticle intensity settings, four of which are compatible with night vision devices and up to 50k hour battery life. IncludedLower 1/3 Cowitness MountT10 L KeyRubber CoverUser ManualCR2032 BatteryLens Cloth FeaturesAuto Adjusting & Manual Brightness ControlParallax-free & Unlimited Eye ReliefSolar Recharging System7075 T6 Aluminum Housing with 509T footprint