Holosun ARO GR2 Green Dot Sight 2 MOA Dot – ARO-GR2
£179.99
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Holosun ARO GR2 Green Dot Sight 2 MOA Dot – ARO-GR2
£179.99
- Genuine UK stock — no import fees
- Estimated UK delivery is 10 Business Days
- Secure checkout
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Details
Description
Holosun ARO Green Dot Sight is the compact enclosed Advanced Rifle Optic with a green emitter. The sealed housing keeps weather and debris away from the beam path, and the green 2 MOA dot is the one many shooters find quickest to catch in bright daylight — all in a tidy 22 mm window.
How It Compares
The same ARO with a different emitter: ARO Red or Gold. Want the circle-dot option? That is the ARO MRS Green. Browse more green optics.
Ideal For
- AR-15 and carbine builds
- Shooters who acquire green fastest in daylight
- Sealed micro optics for hard use
- Running a magnifier behind the optic
Key Features
- 2 MOA green dot in a 22 mm enclosed window
- Sealed emitter, Picatinny-ready
- Side-loading CR2032
- Shake Awake
Technical Specifications
- SKU / MPN / UPC: SKU ARO-GR2 / MPN ARO-GR2 / UPC 810047073604
- Reticle: 2 MOA green dot
- Magnification: 1x, parallax-free, unlimited eye relief
- Type: 1x fully enclosed reflex, 22 mm window
- Power: Side-loading CR2032, Shake Awake
What's Included
- Holosun ARO green dot sight
- Picatinny mount and hardware
- CR2032 battery
Why buy from Red Dot Sight UK
A UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.
The detail
Technical Specifications
| Brand | Holosun |
|---|---|
| Type | Green Dot Sight |
| SKU | ARO-GR2 |
| Barcode | 810047073604 |
| Availability | In stock |
Fitment
Compatibility
Mounting Footprint
Confirm the optic's footprint matches your firearm's cut or plate.
Rail Compatibility
Pair with a matching Picatinny mount for rifle and carbine platforms.
Always confirm your firearm's optic cut or rail matches the footprint before purchase. Our guide to red dot sight footprints explains how to match an optic to your firearm. If unsure, contact our team for fitment advice.
Help & guidance
Product FAQs
Red or green dot on the Holosun ARO?
Green can be easier to see in daylight, which is why many shooters pick the ARO GR2. The two versions are otherwise identical.
ARO or ARO EVO, what is the difference?
The ARO EVO has a larger 26 mm window while the standard ARO uses a 22 mm window. The ARO GR2 is the compact 22 mm model.
Does the ARO GR2 have a circle reticle?
No, the ARO GR2 is a single 2 MOA green dot. The ARO MRS is the model that adds the Multi-Reticle System.
How is the battery changed on the ARO GR2?
A CR2032 loads from the side of the ARO GR2 housing. That side tray is how the cell is swapped.
What reticle does the ARO-GR2 have?
The ARO-GR2 has a 2 MOA green dot in a 22 mm enclosed window.
Does the Holosun ARO GR2 have Shake Awake?
Yes, the ARO GR2 has Shake Awake alongside its side-loading CR2032 battery.
What magnification is the ARO GR2?
The ARO GR2 is 1x, parallax-free, with unlimited eye relief. It is a 1x fully enclosed reflex sight.
Is the ARO GR2 emitter sealed?
Yes, the sealed housing on the ARO GR2 keeps weather and debris away from the beam path. It is a compact enclosed Advanced Rifle Optic.
Can I put a magnifier behind the ARO GR2?
The ARO GR2 suits running a magnifier behind the optic. The sight itself is 1x with unlimited eye relief.
Is a mount included with the ARO GR2?
Yes, the ARO GR2 is Picatinny-ready and ships with a Picatinny mount and hardware.
What is in the box with the ARO GR2?
The box contains the Holosun ARO green dot sight, a Picatinny mount with hardware, and a CR2032 battery.
How long does delivery take on the Holosun ARO GR2?
Estimated UK delivery is 10 business days. It ships as genuine UK stock, so there are no import fees to pay on arrival. Checkout is secured by Shopify.
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Shipping, Returns & Warranty
Orders are dispatched from the UK. Full details, options and timescales are on our shipping policy.
If something isn't right, our returns policy explains how to arrange a return or exchange.
Products are covered by the manufacturer's warranty. Coverage varies by brand.