The Holosun SCRS Series is a groundbreaking, solar-powered 20mm tube sight designed for long gun applications. Leveraging Holosun's advanced SCS technology, this ultra-compact sight features integrated light sensors and an Auto Mode for automatic adjustments of reticle intensity based on ambient lighting. For greater control, the SCRS optics also offers Manual Mode, allowing users to fine-tune reticle brightness to their specific preferences. Constructed from durable 7075 aluminum, the SCRS is built for toughness and reliability. It includes a 1.63" mount with a lower 1/3 co-witness, providing optimal alignment. The sight is compatible with the 509T footprint, offering flexibility for use with third-party offset RDS mounts and Piggyback scope mounts. Choose between 2 MOA Dot only or MRS (Multi-Reticle System) which offers versatility, with a 2 MOA dot and 65 MOA circle, making it ideal for both fast target acquisition and precision shooting. The SCRS also provides 12 brightness settings, including 4 NV-compatible options, and boasts an impressive battery life of up to 50,000 hours. Whether you're in the field or on the range, the Holosun SCRS is engineered for top-tier performance in a wide range of conditions.