The Holosun ARO MRS Enclosed Red Multi-Reticle Rifle Sight is a compact enclosed reflex optic designed for rifle use and compatibility with magnifiers and co-witness mounts. It offers a Multi-Reticle System (MRS) featuring a 2 MOA dot, a 65 MOA circle, or a combined circle-dot reticle and is powered by a single CR2032 battery. Constructed with an anodized housing and sealed for environmental protection, the ARO is built for consistent performance in field and range settings.
Key Specifications
- The reticle options are 2 MOA dot or 65 MOA circle (including combined circle-dot).
- The objective lens measures 22mm to provide an expansive sight picture.
- The power source is a single CR2032 battery for straightforward power replacement.
- The housing is made from anodized 6061 aluminum and is enclosed for protection.
- The sight features Shake Awake activation with an automatic shutoff for battery efficiency.
- The optic includes 12 brightness settings with modes suitable for night-vision use.
- The unit is rated to IP67 for dust and water resistance.
- The sight is compatible with Picatinny/Weaver mounting systems and includes a lower 1/3 co-witness pedestal mount.
- The listed weight is 5.56 ounces for minimal impact on platform balance.
- The reticle dot size is 2 MOA for precise aiming points.
The ARO MRS is a practical, feature-focused optic that combines a protected enclosed design with Holosun’s Multi-Reticle System and compatibility with magnifiers and common rail mounts. Its durable housing, long battery life, and multiple brightness settings make it suitable for a variety of rifle applications where quick target acquisition and reliable performance are priorities.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.






