SKU: 55129441743

Holosun HE403B

Sale price$207.45 Regular price$230.50
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

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Description

Holosun HE403BThe HE403B GR is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun Green Super LED with up to 50k hours battery life, and 2 MOA Dot. Key Features: Shake Awake Super LED 2 MOA Green Dot Reticle Multilayer Reflective Glass Up to 50,000 Hours Battery Life (Setting 6) 12 Brightness Setting: 10 DL & 2 NV Compatible Convenient Tray Battery Compartment Parallax free & Unlimited Eye Relief

The HE403B-GR is a 20mm micro-optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun Green Super LED with up to 50k hours battery life, and 2 MOA Dot.

Key Features:

  • Shake Awake
  • Super LED
  • 2 MOA Green Dot Reticle
  • Multilayer Reflective Glass
  • Up to 50,000 Hours Battery Life (Setting 6)
  • 12 Brightness Setting: 10 DL & 2 NV Compatible
  • Convenient Tray Battery Compartment
  • Parallax-free & Unlimited Eye Relief

Comes with:

  • Lower 1/3 Cowitness Mount
  • Low Profile Mount
  • T10 L Key
  • Rubber Cover
  • User Manual
  • CR2032 Battery
  • Lens Cloth


OPTICAL DATA

Reticle 2 MOA Dot

Light Wavelength 540nm

Reticle Color Green

Parallax Free Yes

Unlim. Eye Relief:Yes

Magnification 1x

Multi-Coatings Yes


ELECTRONIC DATA

Power Source:Battery

Battery Type CR2032

Battery Life (Hrs) 50000

Brightness Setting:10 DL&2 NV


PHYSICAL DATA

Window Size: 20mm Diameter

Dimension (in): 2.45x1.43x1.6

Weight (oz):2.82


MECHANICAL DATA

Housing Material6061 T6 Aluminum

Surface Finish MAO

Adjustment per Click 0.5 MOA

W&E Travel Range±50 MOA


ENVIRONMENT DATA

Storage Temperature:-40c - 70c

Working Temperature:-30c - 60c

Submersion:IP67

Vibration:1000G

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55129441743

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4.3 ★★★★★
Based on 10 reviews
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Verified Purchase
joshua
Natrona Heights, US
★★★★★ 5
Great for shed organizing
Size: 4.5", Style: Open, Size: 4.5", Style: Open
We recently upgraded to a conex/shipping container/metal shed and needed a way to organize all of our yard tools. These work great, the weight holds a lot of items, could be a little longer but we were impressed with them holding everything for over a month now and not moving.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
R
Verified Purchase
Rebecca
Alexandria, US
★★★★★ 5
Great! Worth the money
Size: 4.5", Style: Open
These things are amazing!!!! So strong you can hang a 20ft ladder and they don’t budge at all. Soooo easy to use especially in a metal building/shed
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2025
G
Verified Purchase
Guitar
Charlottesville, US
★★★★★ 4
Good product. Know the limits.
Size: 6 Inch, Style: Open
These are very nice. Sure beats drilling holes in your steel. However, 45lb is a stretch. Will easily hold 25lbs. However 35+ is a stretch, especially if your walls shift a little due to be close to a door. Will definitely order more, just important to understand the limits. Thanks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
V
Verified Purchase
Valhalla Ranch
Port Orchard, US
★★★★★ 5
Finally, a product that meets all of its advertised claims!
It seems to me like this product is always out of stock. Of the ones I have received and been able to use. They work as advertised and hold an incredible amount of weight. It is very easy to put them on and off, but once they are latched down, you could not remove them by hand without bending the hooks I would like to have a few more boxes to use in my steel building.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
A
Verified Purchase
Ashley
Charlottesville, US
★★★★★ 5
Magnet hooks you need!
Size: 4.5", Style: Open
I have been using these all over our shop and helps keep chords, tools and other items off the floor and more organized. I like the ease of the magnet, and it looks like. Built to last. I wish they were not so expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026

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