The Holosun ARO MRS Enclosed Rifle Sight is a versatile optic designed for precision and adaptability, featuring a Multi-Reticle System with a 2 MOA dot, a 65 MOA circle, or a combined circle-dot reticle. This parallax-free sight offers unlimited eye relief, a 22mm lens for an expansive sight picture, and seamless compatibility with Holosun magnifiers for extended-range targeting. With 12 brightness settings, including two night-vision-compatible modes, Shake Awake activation, and automatic shutoff after 10 minutes of inactivity, it ensures reliability and energy efficiency. The durable anodized 6061 aluminum housing is IP67-rated for dust and water resistance, withstanding up to 1000G of recoil. Running on a CR2032 battery with a 50,000-hour lifespan, the ARO MRS includes a lower 1/3 co-witness mount for optimal alignment.