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Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Color: Black, Flat Dark Earth, Battery Type: CR2032, Lithium Metal w/ Free Shipping — 4 models

Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun ARO Reflex Red Dot Sight, 1x22mm, 2 MOA Red Dot, Flat Dark Earth, ARO-RD2-FDE
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Red 2MOA Dot Reticle, Black, ARO-RD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Green 2MOA Dot Reticle, Black, ARO-GR2
Holosun ARO Reflex Red Dot Sight, 1x22mm, 2 MOA Red Dot, Flat Dark Earth, ARO-RD2-FDE
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
1 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
2 of 18 images
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
3 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
4 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
5 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
6 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
7 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
8 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
9 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
10 of 18 images
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
11 of 18 images
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
12 of 18 images
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
13 of 18 images
Holosun Technologies ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Flat Dark Earth, ARO-RD2-FDE
Holosun ARO Reflex Red Dot Sight, 1x22mm, 2 MOA Red Dot, Flat Dark Earth, ARO-RD2-FDE
14 of 18 images
Holosun ARO Reflex Red Dot Sight, 1x22mm, 2 MOA Red Dot, Flat Dark Earth, ARO-RD2-FDE
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
15 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Red 2MOA Dot Reticle, Black, ARO-RD2
16 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Red 2MOA Dot Reticle, Black, ARO-RD2
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Green 2MOA Dot Reticle, Black, ARO-GR2
17 of 18 images
Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Green 2MOA Dot Reticle, Black, ARO-GR2
Holosun ARO Reflex Red Dot Sight, 1x22mm, 2 MOA Red Dot, Flat Dark Earth, ARO-RD2-FDE
18 of 18 images
Holosun ARO Reflex Red Dot Sight, 1x22mm, 2 MOA Red Dot, Flat Dark Earth, ARO-RD2-FDE

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Questions & Answers
will this fit on the unity tactical rise mount

Yes it will. It is a T-2 footprint

by Peter S, Verified Owner, March 27, 2026
Will this sight work on a mp5 clone

Yes as long as it have a rail to mount to this optic will work on it.

by gray, Verified Owner, December 7, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Go-To Optic by GreenLight, Verified Owner, June 9, 2026
My Go-To Optic: 5th One Purchased and Still the Best I purchased another Holosun ARO Advanced Rifle Optic 1x22mm (Green 2MOA Dot, Code: 28Y-RD-ARO2-ARO-GR2) on 05/08/2026, actually the 5th one of these I have bought. It has officially become my abso...
Read More...
1/1 found this helpful
Helpful Positive Review
An okay red dot by SqueezedLemons, Verified Owner, November 1, 2025
I bought the green dot version. Over all impressions is its well made. The lower rise supplied is something you dont see with other brands. A little concerning on the extra battery tray supplied with the unit so I assume use caution if you take the b...
Read More...
1/1 found this helpful
Helpful Positive Review
ANOTHER SOLID RELEASE FROM HOLOSUN by KC, Verified Owner, July 13, 2025
Clean glass, robust design, holds zero very well. Green reticle is VERY nice out here in the NM desert.
5/5 found this helpful
Helpful Positive Review
Holosun Green Dot by machinist419, Verified Owner, July 1, 2025
Great cheap dot for a PCC! I even went out to 100 yards and shot steel with it. It’s definitely a fun little dot!
3/3 found this helpful
Helpful Positive Review
Nice optic by Tom, Verified Owner, January 1, 2026
I use this on my 9mm Stern Defense AR conversion. Easy set up and the optic is nice and clear.
3/3 found this helpful
Helpful Positive Review
dot only, extremely sensitive motion sensor by Stebanoid, Verified Owner, November 15, 2025
First of all, the photos are misleading - the last picture shows 2 reticles, but the model I got supports only "dot". If you want 2 reticles (as I wanted) you need to order ARO-MRS-RD/GR/GD (not the presense of MRS in the name). If there is no MRS, i...
Read More...
2/4 found this helpful
Read All 45 Reviews

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Product Info for Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight

ARO (Advanced Rifle Optic) is an advancement on our popular 20mm 403 and 503 series optics. ARO features an all-new 22mm housing design that mates perfectly with our magnifier series, an all-new 1.63 lower 1/3 co-witness pedestal mount, and compatibility with a new lens cover and anti-reflection device system (available separately). The ARO series is available as a 2MOA dot only or with our Multi-Reticle System (MRS) in Red, Green, or Gold dot colors.image

WARNING: California`s Proposition 65

Specifications for Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight:

Manufacturer: Holosun
Fabric/Material: Aluminum
Magnification: 1 x
Objective Lens Diameter: 22 mm
Reticle: 2 MOA Dot
Illumination Type: LED
Brightness Settings: 12
Eye Relief: Unlimited
Adjustment Click Value: 0.5 MOA
Emitter Type: Enclosed
Water Resistance Level: IP67
Weight: 3.38 oz
Red Dot Sights-Footprint: Not Applicable
Lens Type: Multilayer

Package Contents:

  • Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight

Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight Orderable Models

List of Orderable Models

  • Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Red 2MOA Dot Reticle, Black, ARO-RD2 , MPN: ARO-RD2 , UPC: 810047073598 , Code: 28Y-RD-ARO2-ARO-RD2
  • Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Green 2MOA Dot Reticle, Black, ARO-GR2 , MPN: ARO-GR2 , UPC: 810047073604 , Code: 28Y-RD-ARO2-ARO-GR2
  • Holosun ARO Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2MOA Dot Reticle, Black, ARO-GD2 , MPN: ARO-GD2 , UPC: 810047073611 , Code: 28Y-RD-ARO2-ARO-GD2
  • Holosun ARO Reflex Red Dot Sight, 1x22mm, 2 MOA Red Dot, Flat Dark Earth, ARO-RD2-FDE , MPN: ARO-RD2-FDE , UPC: 810047074311 , Code: 28Y-RD-ARO2-ARO-RD2-FDE
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Last updated 2026-09-07 UTC.