Holosun ARO First Impressions – Is This the 403 Replacement We’ve Been Waiting For?

Published on June 27, 2025
Duration: 5:55

The Holosun ARO (Advanced Rifle Optic) is presented as a potential successor to the 403B series. Initial impressions highlight its sleek design, 1/3 co-witness height (1.63 inches), and the availability of a yellow reticle option alongside red and green. The optic features a simple 2 MOA dot and uses buttons for brightness control, moving away from the traditional wheel. It has been tested for NVG compatibility and held zero through approximately 200-300 rounds.

Quick Summary

The Holosun ARO (Advanced Rifle Optic) is a new red dot sight designed to replace the older 403 series. It features a 2 MOA dot, 1/3 co-witness height (1.63 inches), button brightness controls, and a new yellow reticle option. Priced around $120, it offers NVG compatibility and has held zero through initial testing.

Chapters

  1. 00:00Introduction to Holosun ARO
  2. 00:51Basement Operator Merch & Website
  3. 02:06Song Recommendation
  4. 02:27Holosun ARO Overview
  5. 02:52Brightness Controls
  6. 03:10Initial Shooting Impressions & NVG Test
  7. 03:37Mounting System Update
  8. 03:571/3 Co-Witness Height
  9. 04:23New Yellow Reticle Option
  10. 04:48Price Point and Value
  11. 05:15Performance So Far
  12. 05:26Conclusion & Future Review

Frequently Asked Questions

What is the Holosun ARO and what does it replace?

The Holosun ARO (Advanced Rifle Optic) is a new red dot sight designed by Holosun. It is intended to be the successor and replacement for their older 403 series of red dot sights, such as the 403B.

What are the key features of the Holosun ARO?

The Holosun ARO features a 2 MOA red dot, a 1/3 co-witness mounting height (1.63 inches), button controls for brightness, and a new yellow reticle option. It has also been tested for NVG compatibility.

How does the Holosun ARO mount to a firearm?

The ARO utilizes an updated mounting system that features a singular pillar design with a bolt-in spot for secure attachment to the firearm's upper receiver.

What is the price point of the Holosun ARO?

The Holosun ARO is positioned as an inexpensive red dot sight, with a price point around $120, making it an accessible option for budget-conscious buyers.

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