Holosun SCRSRDMRS SCRS Rd Mrs Black Anodize 1 X 20mm 2 MOA Red Dot/65 MOA Red Circle Multi Reticle The SCRS-Rd (Solar Charging Rifle Sight) advances Holosuns SCS Technology creating An All-New, Ultra Compact 20mm Tube Sight Designed For Long Gun applications. SCRS-Rd 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-Rd Is Made From 7075 Aluminum And Includes a Lower 1/3 Co-Witness, 1.63 Mount That Utilizes Holosuns proven 509T Footprint For Compatibility With Third-Party Offset RDS Mounts. SCRS-Rd Is Available With a 2MOA Dot Only Or Holosuns Mrs (Multi-Reticle System). SCRS-Rd features 12 Reticle intensity settings, Four Of Which Are Compatible With Night Vision devices And Up To 50K Hour Battery Life. Magnification: 1X Objective: 20mm Eye Relief: Unlimited Dot Size: 2 MOA Dot/ 65 MOA Circle Tube Diameter: 20 MM Length: 1.70" Weight: 2.45 Oz Battery Size: Internal Rechargeable Battery Reticle: 2 MOA Red Dot/65 MOA Red Circle Multi Reticle Adjustment Size: 1.0 MOA Proofs: IP67 Waterproof Optic Coating: Multi-Coated Windage Elevation: Adjustable