The Holosun ARO-EVO-SPR-GR represents the next evolution of the Advanced Rifle Optic platform, engineered for shooters who demand precision, versatility, and rugged reliability. Featuring an enlarged 26mm optical window, this optic provides an expansive field of view for improved situational awareness and rapid target acquisition across close, medium, and extended ranges. Equipped with Holosun s Special Purpose Reticle (SPR), the ARO-EVO-SPR-GR combines a 1.5 MOA central green dot, 65 MOA circle, three 1 MOA BDC holdovers, and a ranging reticle. This intuitive reticle system is optimized for M193 5.56 ammunition at 3050 FPS, allowing for fast transitions, range estimation, and accurate bullet drop compensation. Advanced features such as Shake Awake , Solar Failsafe , and automatic brightness adjustment ensure the optic is always ready while maximizing battery life. The side-loading CR2032 battery tray allows for quick battery changes without removing the optic, delivering up to 50,000 hours of runtime on setting 6. Built from rugged 6061-T6 aluminum with a hard anodized matte black finish and rated IPX8 waterproof, the ARO-EVO-SPR-GR is ready for the harshest environments. Product Features Advanced Rifle Optic with enlarged 26mm optical window Special Purpose Reticle (SPR) optimized for 5.56 M193 ammunition 1.5 MOA green dot with 65 MOA circle and BDC holdovers Shake Awake technology for instant activation Solar Failsafe with automatic brightness adjustment Side-loading CR2032 battery tray Up to 50,000 hours of battery life IPX8 waterproof and vibration rated to 1000G Includes lower 1/3 co-witness and low mount options Compatible with Holosun magnifiers Product Specifications Reticle: Special Purpose Reticle (1.5 MOA Dot / 65 MOA Circle / 3 Dot BDC / Ranging) Reticle Color: Green (540nm) Magnification: 1x Parallax Free: Yes Eye Relief: Unlimited Brightness Settings: 8 Daylight / 4 Night Vision Power Source: CR2032 Battery Battery Life: Up to 50,000 Hours Window Size: 1.02" Dimensions: 2.87" 1.68" 2.7" Weight: 4.33 oz Housing Material: 6061-T6 Aluminum Finish: Hard Anodized Adjustment per Click: 0.5 MOA Windage & Elevation Range: 50 MOA Waterproof Rating: IPX8 Operating Temperature: -30 C to 60 C Storage Temperature: -40 C to 70 C Included in the Box ARO-EVO-SPR-GR Optic 1.63" Lower 1/3 Co-Witness Mount 1.05" Low Mount Multi-Tool Wrench Cleaning Cloth