ARO (Advanced Rifle Optic) is an upgrade from Holosun’s popular 20mm 403 and 503 series optics. ARO features a new 22mm housing design that fits perfectly with their magnifier series and a 1.63-inch lower 1/3 co-witness pedestal mount. ARO is available as a 2MOA dot only or with their Multi-Reticle System (MRS) in Red, Green, or Gold.
Rifle Red Dots & Holographic
Holosun ARO-GD2, Gold Dot, 2 MOA Dot
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ARO · Gold Dot · 2 MOA Dot · Fits 1913 Picatinny Rail · 1.63″ Lower 1/3 Co-Witness Mount
Availability: In stock
| Reticle | 2 MOA Dot |
|---|---|
| Dot Size | 2 MOA |
| Dot Color | Gold |
| Mount Type | Picatinny / 1913 |
| Platform | AR-15 |
| Color | Black |
- ✔ Authorized dealer — factory-new, full manufacturer warranty
- ✔ Ships from California in 1–2 business days · free shipping over $199
- ✔ 30-day returns · secure checkout
- ✔ Bulk, LE & Gov pricing available — request a quote
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