Holosun ARO-RD2 & HM3X Combo, 20mm housing, 2MOA RED Dot Reticle, Optic
Holosun
$359.99
Product Description
The Holosun ARO (Advanced Rifle Optic) paired with the HM3X Magnifier delivers a versatile red dot and magnifier solution for fast target acquisition and extended engagement capability. The ARO is an evolution of the popular 403 and 503 series, featuring a new 22mm housing that pairs seamlessly with Holosun magnifiers and a 1.63" lower 1/3 co-witness mount.
With up to 50,000 hours of battery life, Shake Awake™ technology, and a crisp 2 MOA dot reticle, the ARO provides dependable performance in all conditions. The HM3X magnifier adds smooth 3X magnification with a flip-to-side QD mount, allowing rapid transition between close- and mid-range shooting.
Key Features
Advanced Rifle Optic (ARO) 22mm housing with a 1.63" lower 1/3 co-witness mount for optimal alignment.
Shake Awake™ Technology Automatically powers down when idle and instantly reactivates with movement.
Multi-Reticle Capability Available with a 2 MOA dot or Holosun MRS options in Red, Green, or Gold.
HM3X 3X Magnifier Flip-to-side magnifier provides smooth transition between 1X and 3X.
Durable Aluminum Construction Rugged aluminum housings designed for hard use and long-term reliability.
Flexible Mounting Options Integrated QD mount with spacer supports Absolute or Lower 1/3 co-witness.
Materials
| Housing Material | Aluminum |
| Surface Finish | MAO |
Optical Specifications
| Reticle | 2 MOA Dot |
| Reticle Color | Red |
| Magnification | 1x (ARO) / 3x (HM3X) |
| Parallax Free | Yes |
| Eye Relief | Unlimited (ARO) / 2.75" (HM3X) |
| Window Size | 0.86" |
Electronic Specifications
| Battery Type | CR2032 |
| Battery Life | Up to 50,000 hours |
| Brightness Settings | 10 Daylight / 2 Night Vision |
Mechanical Specifications
| Adjustment Per Click | 0.5 MOA |
| Windage & Elevation Range | ±50 MOA |
Environmental Specifications
| Waterproof Rating | IP67 |
| Operating Temperature | -30℃ to 60℃ |
| Storage Temperature | -40℃ to 70℃ |
| Vibration Resistance | 1000G |
In the Box
| ● | ARO-RD2 Optic × 1 |
| ● | 1.63" Optic Mount × 1 |
| ● | 1.05" Optic Mount × 1 |
| ● | HM3X Magnifier with QD Mount × 1 |
| ● | Multi-tool × 1 |
| ● | Wrench × 1 |
| ● | Cleaning Cloth × 1 |