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HOLOSUN

Holosun Advanced Rifle Optic Sight with Shake Awake, 22mm Optical Window, 12 Brightness Settings, Co-Witness & Low Mounts Included

  • Based on 67 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Mar 2
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Color: Red


Style: 2 MOA


Features

  • RD2 (2 MOA Red Dot) GR2 (2 MOA Green Dot) GD2 (2 MOA Gold Dot) MRS-RD (Multi-Reticle Red Dot) MRS-GR (Multi-Reticle Green Dot) MRS-GD (Multi-Reticle Gold Dot)
  • Advanced Dot System for Enchanced Precision The Advance Rifle Optic Holosun's next-gen dot optic, combining trusted design elements from the 403 and 503 series with a wider 22mm window and a crisp 2 MOA dot, offering fast and accurate target acquisition in a compact, durable package.
  • Reliable Motion Activation with Shake Awake Equipped with Holosuns Shake Awake technology, the optic automatically powers on with movement and shuts off when idle, delivering dependable performance whether it's mounted on a home defense rifle or your go-to range setup.
  • Extended Battery Life & Tool-Free Access Powered by a CR2032 battery with up to 50,000 hours of runtime (on setting 6), the optic features a side-loading battery tray for easy changes without removing the sight.
  • Adaptable Brightness for Any Environment Manual brightness controls give you the flexibility to adapt quickly to lighting conditions, with 10 daylight and 2 night settings for all-day operability. Lockout Mode prevents accidental changes during storage or use.
  • Tough, Lightweight, and Weather-Resistant Constructed from rugged aluminum with a matte black anodized finish, the optic is IP67 rated for dust and water resistance. At just 3.38 oz (optic body), it delivers field-ready durability in a minimal footprint.
  • Flexible Mounting Options for Any Setup Ships with both a 1.63 lower 1/3 co-witness mount and a 1.05 low mount, ensuring compatibility with a wide variety of carbine platforms and shooter preferences.

Description

The Holosun ARO-CORE represents the latest evolution of Holosun’s renowned 403 and 503 series, offering a perfect balance of performance, reliability, and affordability. Designed with shooters in mind, the ARO-CORE features a refined 22mm optical window for enhanced visibility and a crisp 2 MOA dot, providing an optimal sight picture in a compact and lightweight design. Equipped with Shake Awake technology, this optic automatically activates when it detects motion and conserves battery life when idle with auto-off. The side-loading CR2032 battery tray ensures easy battery replacement, while the manual brightness controls offer flexibility with 10 daylight and 2-night compatible settings. The ARO-CORE is built to last with rugged aluminum housing finished in a low-profile matte black. Its IP67 water and dust resistance rating guarantees reliability in harsh environments, while the included 1.63" lower 1/3 co-witness mount and 1.05" low mount offer versatility across different rifle setups. Whether you're a professional or enthusiast, the Holosun ARO- CORE is engineered to provide superior performance in a user-friendly package.

Brand: HOLOSUN


Color: Red


Style: 2 MOA


Sport: Hunting, recreational shooting, target shooting, competitive shooting


Item Weight: 3.38 Ounces


Material: Aluminum


Objective Lens Diameter: 22 Millimeters


Magnification Minimum: 1 x


Compatible Devices: Rifle


Mounting Type: Picatinny Mount


Brand: ‎HOLOSUN


Color: ‎Red


Style: ‎2 MOA


Sport: ‎Hunting, recreational shooting, target shooting, competitive shooting


Item Weight: ‎3.38 Ounces


Material: ‎Aluminum


Objective Lens Diameter: ‎22 Millimeters


Magnification Minimum: ‎1 x


Compatible Devices: ‎Rifle


Mounting Type: ‎Picatinny Mount


Night vision: ‎No


Model Name: ‎Advance Rifle Optic


Manufacturer: ‎Holosun


Reticle Type: ‎Dot


UPC: ‎810047073598


Global Trade Identification Number: ‎98


Item Package Dimensions L x W x H: ‎4.76 x 3.54 x 1.93 inches


Package Weight: ‎0.36 Kilograms


Brand Name: ‎HOLOSUN


Warranty Description: ‎Limited Lifetime Warranty


Suggested Users: ‎unisex-adult


Number of Items: ‎1


Part Number: ‎Advance Rilfe Optic-RD2


Included Components: ‎1.05" Cowitness Picatinny Mount, 1.63" Cowitness Picatinny Mount, Lens Cleaning Cloth, Optic, Windage & Elevation Multi-tool


Size: ‎2.48 × 1.54 × 2.63"


Date First Available: December 31, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Mar 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • New Standard for Affordable Red Dot Sights
Color: Red Style: 2 MOA
The Holosun Advanced Rifle Optic really stands out as the new standard for basic red dot sights that don’t break the bank. It delivers excellent performance without the premium price tag. The 22mm optical window gives a clear, unobstructed view, and the Shake Awake feature keeps the sight ready whenever you need it. With 12 brightness settings, it’s easy to get the perfect dot visibility in all lighting conditions. I also appreciate that it comes with both co-witness and low mounts, making it versatile and easy to install on different platforms. Overall, this sight feels solid, reliable, and well-built — a great value for anyone who wants quality performance without spending a fortune. Highly recommended! ... show more
Reviewed in the United States on January 9, 2026 by George B.
    • Good first red/green dot sight
Color: Green Style: 2 MOA
Worth every penny. Easy to put on and works great in a budget build. Green dot is crisp and has brightness adjustment. Stable dot and works great with a magnifier. Easy to adjust windage and elevation with the tool and comes with different mount options.
Reviewed in the United States on December 29, 2025 by Amazon Customer
    • Great option for those on a budget
Color: Gold Style: 2 MOA
I was able to grab this on sale, and for the money you likely wont find a better optic. I was originally looking at the AEMS, but decided on this to save, and it does what I need it to. I also have not been able to find a gold dot optic in person, so I didn't want to shell out $300 for one and not like it. The gold dot is easy to pick up on pretty much any color target surface, and does not get washed out by my weapon light (which was one of my biggest worries). The "gold" is more of a yellowish green color, but not hi-vis green like green dots are. Quality seems pretty on-par with all other Holosun optics. Still holding zero after 500 rounds. ... show more
Reviewed in the United States on December 26, 2025 by Bryan Phillips
    • Great optics, low cost
Color: Gold Style: Multi-Reticle
First and foremost what drew me to this uptake is the gold sight. If that's something you're looking for this will do just fine! The exterior quality is top notch. Easy to turn on, change brightness levels and also easy to turn off. The gold radical Kim return very bright and it will perform just well in bright sunny days. Alternatively, The dimness levels can be set very low for those low lighting conditions. Well negative that I will have to note is that there is a definite bluish tint inside the sight which may be a turnoff for some looking to have a clear lens. Though highly noticeable, it doesn't diminish it's utilitarian purpose. Overall a good and trust worthy uptick with a good price tag. ... show more
Reviewed in the United States on August 6, 2025 by Trampire
    • Very nice optic, doesnt work that well with astigmatism
Color: Green Style: 2 MOA
The quality is nice, build quality is very solid, the optic is clear and it has a nice range of brightness adjustments. Adjusting moa was also easy with the provided tool but I used a dime and it worked just as well. I bought the green dot because people said it worked better for people with astigmatism, its alright. It's pretty clear on the lower brightness levels but pretty bad on the higher levels, at least for me but other people without astigmatism who I had test it said the dot was super crisp so your mileage may vary. This is no fault of the optic, just a problem with my eyes. ... show more
Reviewed in the United States on December 8, 2025 by Fred Sanchez
    • Built to last
Color: Green Style: 2 MOA
Amazing sight holds zero very well great for PCCs worth the money
Reviewed in the United States on February 1, 2026 by aj
    • Extreme quality low price. Just buy it.
Color: Gold Style: Multi-Reticle
Absolutely great optic for the price. Holosun knocks it out of the park again. Reticle is super crisp. Build quality is robust, heavy, and has a premium looking matte finish. I love this optic and love the price point. I have it on a Unity riser, and the risers footprint is a tad longer than needed but unless you look close its not noticeable. Obviously it holds zero well. If you have an astigmatism the gold dot hardly starbursts. I truley dont think theres another dot in this price point with a build quality like this. ... show more
Reviewed in the United States on December 20, 2025 by Nates
    • Holosun ARO
Color: Red Style: 2 MOA
I bought this primarily because the mount is slightly taller. Other than that, it’s not any better or worse. I’m not a fan of Holosun’s battery tray arrangement. It requires a tool to remove two tiny screws. The dot itself will still give users with astigmatism fits. But it appears well built and everything on it works. Of concern was that both security tapes were opened. This is indicative of a return at some point and it being resold. Not a huge deal as long as the product appears new, it works and all accessories are included. But maybe it should be declared and a few $$ deducted. I chose the red dot for two reasons other than personal preference. Green dots draw more energy resulting in shorter battery life. And some had issues with the gold version. Four stars overall. ... show more
Reviewed in the United States on November 8, 2025 by Donald Vosburgh

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