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Questions & Answers
Does this have the Shake Awake feature?

Yes it does.

by Matt, Verified Owner, February 27, 2026
Does this include a low mount as well as the riser?

Yes it contains a low amount option come standard out of the box with the tall riser.

by Human, Verified Owner, June 30, 2025
Customer Reviews
Helpful Positive Review
Great Optic! by Dro, Verified Owner, February 4, 2026
Got for my Springfield Kuna looks very well & sturdy.
2/2 found this helpful
Helpful Positive Review
Best budget red dot by G, Verified Owner, January 30, 2026
Probably the best budget red dot on the market right now. Comes with 2 mounts, a extra battery tray, and lens caps (although not the best) . Clear glass with crisp reticle. All for less than $200 there isnt a better deal for all of this out the box. ...
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1/1 found this helpful
Helpful Positive Review
Top tier optic by Krootz, Verified Owner, August 26, 2025
Best Aimpoint type optic with the circle dot reticle. Wanted an eotech but no shake-awake option. This is hands down just as bombproof and has a crisp reticle better than any other optic I've seen.
6/6 found this helpful
Helpful Positive Review
AR15 must-have! by ADR1418, Verified Owner, January 22, 2026
I'm updating my OG Bushmaster XM15-E2S. The ARO combined with a Holosun HM3X makes for a great optic system, and really looks the part. The glass clarity is very good for the price, and while the 22mm sounds small, compared with the Holosun 510C fo...
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1/1 found this helpful
Helpful Positive Review
The Holosun ARO MRS with green reticle(s) is hands down the clearest and least distorted dot I’ve ever seen and I’ve tried and own other types and colors. The only optics equally as clear are Eotech holographic sights or prisms like the Primary Arms ...
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1/1 found this helpful
Helpful Positive Review
Top Notch Product by Blaine, Verified Owner, November 18, 2025
Another banger from Holosun. I got this and paired it with the Holosun 3x mag. It is an awesome pair. It does sit a bit higher in relation to the rail thank I am used to, but for quick reaction its super easy to line up with he eyes. I have a few Sig...
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1/1 found this helpful
Read All 33 Reviews
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Product Info for Holosun ARO MRS Advanced Rifle Optic 1x22mm Reflex Red Dot Sight

ARO (Advanced Rifle Optic) is an advancement on their popular 20mm 403 and 503 series optics. ARO features an all-new 22mm housing design that mates perfectly with their 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 two reticle options are 2MOA dot only or 2MOA dot with 65MOA ring.image

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

Manufacturer: Holosun
Color: Black
Fabric/Material: Aluminum
Magnification: 1 x
Objective Lens Diameter: 22 mm
Reticle: 2 MOA Dot & 65 MOA Ring, 2 MOA Dot
Brightness Settings: 12
Eye Relief: Unlimited
Adjustment Click Value: 0.5 MOA
Battery Type: Lithium Metal, CR2032
Battery Life: 50000 hours
Water Resistance Level: IP67
Weight: 3.38 oz

Package Contents:

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

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

List of Orderable Models

  • Holosun ARO MRS Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Red 2 MOA Dot/2MOA Dot & 65MOA Ring Reticle, Black, ARO-MRS-RD , MPN: ARO-MRS-RD , UPC: 810047073628 , Code: 28Y-RD-AROMRS-ARO-MRS-RD
  • Holosun ARO MRS Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Green 2 MOA Dot/2MOA Dot & 65MOA Ring Reticle, Black, ARO-MRS-GR , MPN: ARO-MRS-GR , UPC: 810047073666 , Code: 28Y-RD-AROMRS-ARO-MRS-GR
  • Holosun ARO MRS Advanced Rifle Optic 1x22mm Reflex Red Dot Sight, Gold 2 MOA Dot/2MOA Dot & 65MOA Ring Reticle, Black, ARO-MRS-GD , MPN: ARO-MRS-GD , UPC: 810047073635 , Code: 28Y-RD-AROMRS-ARO-MRS-GD
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