Gunsight

Holosun 403A: A Game-Changer for Your Shooting 

When it comes to red dot sights, Holosun has gained a reputation for producing high-quality optics that cater to a wide range of shooting applications. The Holosun 403A is no exception, offering shooters a compact and durable sight with impressive features that elevate your shooting experience.

Specifications

Let’s start our Holosun 403A review with a look at the specifications:

  • Reticle Type: 2 MOA Dot;
  • Brightness Settings: 12 daylight settings and 2-night vision compatible settings;
  • Parallax-free: Yes;
  • Battery Life: Up to 50,000 hours on a single CR2032 battery;
  • Auto Wake Feature: Yes;
  • Adjustment per Click: 0.5 MOA;
  • Windage and Elevation Range: ±50 MOA;
  • Dimensions: 2.75 x 1.5 x 2 inches;
  • Weight: 4.3 ounces;
  • Material: 6061 Aluminum;
  • Waterproof: IP67 Certified.

Key Features

The Holosun 403A boasts several key features that set it apart in the crowded red dot sight market:

  1. Solar Failsafe: This innovative feature utilizes solar panels to power the sight and extend battery life. Even when your battery runs out, the solar cells keep your optic running, ensuring you’re never left in the dark;
  2. Multiple Reticle Options: The 2 MOA dot can be toggled between a 2 MOA dot, a 65 MOA circle, or a 65 MOA circle with a 2 MOA dot. This versatility allows you to adapt your sight to various shooting scenarios;
  3. Shake Awake Technology: The Holosun 403A features an auto wake feature that activates the sight when motion is detected and puts it to sleep after a period of inactivity, preserving battery life;
  4. Durable Construction: Built from rugged 6061 aluminum and featuring an IP67 waterproof rating, this sight is designed to withstand harsh conditions and resist water, dust, and debris;
  5. Wide Adjustment Range: With a windage and elevation adjustment range of ±50 MOA, you have ample room to fine-tune your zero and make precise shots at various distances;
  6. Long Battery Life: Thanks to the efficient LED technology and solar failsafe, you can enjoy up to 50,000 hours of battery life on a single CR2032 battery.

Performance

The Holosun 403A delivers exceptional performance on the field. The 2 MOA dot is crisp and allows for precise aiming, while the multiple reticle options enable you to adapt to different shooting scenarios.

A man shoots a gun

Enhance Your Shooting Experience with Holosun 403A Accessories

To take full advantage of the Holosun 403A Red Dot Sight, consider complementing it with a range of accessories designed to enhance your shooting experience. Here are some valuable additions to consider:

  1. Magnifiers: While the Holosun 403A offers exceptional clarity and precision, adding a magnifier can help you engage targets at longer distances with ease. Magnifiers are available in various magnification levels and can quickly be mounted behind your red dot sight;
  2. Mounting Solutions: Choosing the right mounting solution is crucial for achieving a comfortable and effective shooting position. There are various mounts available, including quick-detach options, risers, and offset mounts, allowing you to customize the sight’s height and position on your firearm;
  3. Lens Covers: Protecting the lens of your Holosun 403A is essential for maintaining clarity and preventing damage. Lens covers, typically made from durable materials, shield the sight’s lens from debris, moisture, and scratches;
  4. Killflash/ARD: An Anti-Reflective Device (ARD) or Killflash can reduce glare and prevent reflections on the lens, enhancing your stealth and minimizing the risk of giving away your position to your target;
  5. Flip-to-Side Mounts: If you’re using a magnifier in conjunction with your Holosun 403A, a flip-to-side mount allows you to quickly switch between the red dot sight and the magnifier. This adds versatility to your setup, enabling you to adapt to various shooting scenarios effortlessly;
  6. Tactical Lights and Lasers: For low-light or tactical situations, consider adding a tactical light or laser to your setup. These accessories can improve target acquisition and accuracy in challenging conditions;
  7. Lens Cleaning Kits: Keeping your Holosun 403A’s lens clean is crucial for maintaining optimal clarity. Invest in a quality lens cleaning kit that includes lens wipes, cleaning solutions, and brushes to ensure your sight remains in pristine condition;
  8. Sight Protection: When your firearm is not in use, protect your Holosun 403A from dust, moisture, and potential impacts with a sight cover or protective housing.

Comparison Table

To help you make an informed choice, let’s compare the Holosun 403A with some of its competitors:

FeatureHolosun 403ACompetitor ACompetitor B
Reticle Type2 MOA Dot2 MOA Dot4 MOA Dot
Brightness Settings141012
Battery Life (Hours)50,000+40,00030,000
Auto Wake FeatureYesNoYes
Adjustment per Click0.5 MOA1 MOA1 MOA
Waterproof RatingIP67IPX7IPX7

Video Explanation 

To finally answer all your questions, we suggest you watch this video. Enjoy the video!

Conclusion

In conclusion, the Holosun 403A Red Dot Sight proves to be a game-changer for both beginners and experienced shooters. Its exceptional features, durability, and reliability make it a top choice in the world of red dot sights. Whether you’re a competitive shooter, a hunter, or a tactical enthusiast, the Holosun 403A offers the performance you need.

With its long battery life, solar backup, and multiple reticle options, this red dot sight provides versatility and precision, enhancing your shooting accuracy. Its rugged construction ensures it can withstand harsh conditions, making it suitable for various environments.

The Shake Awake technology ensures that your sight is always ready when you need it, while the parallax-free design ensures your target remains clear and focused. The Holosun 403A Red Dot Sight is a reliable companion that can significantly improve your shooting experience.

FAQ 

1. What is the battery life of the Holosun 403A Red Dot Sight?

The Holosun 403A boasts an impressive battery life of up to 50,000 hours, thanks to its energy-efficient LED technology. Additionally, it features a solar backup that further extends its runtime, making it incredibly reliable during extended shooting sessions.

2. Can I use the Holosun 403A in low-light conditions?

Yes, you can. The Holosun 403A features multiple brightness settings, allowing you to adjust the reticle’s intensity to match your shooting environment. It performs exceptionally well in low-light conditions and maintains clarity in various lighting situations.

3. Is the Holosun 403A suitable for shotguns or rifles with heavy recoil?

Absolutely. This red dot sight is built to withstand heavy recoil, making it a suitable choice for shotguns, rifles, and other firearms. Its robust construction ensures it can handle the demands of high-caliber weapons without losing zero.

4. Can I switch between different reticle options with the Holosun 403A?

Yes, the Holosun 403A offers multiple reticle options, including a 2 MOA dot and a 65 MOA circle with a 2 MOA dot. You can easily switch between these reticles to adapt to different shooting scenarios, providing versatility and precision.