The HE403B-GR Rifle Green Dot Sight by Holosun is a compact and reliable micro sight designed for rifles and carbines. With Holosun’s Green Super LED, it offers exceptional clarity and up to 50,000 hours of battery life.
This 20mm micro sight includes 12 brightness settings -10 for daylight and 2 night-vision compatible. Its durable 6061 aluminum housing ensures long-term reliability. The package includes a lower 1/3 co-witness mount (1.63”) and a low-profile mount (.75”), suitable for various rifle setups.
The sight features Shake Awake™ technology, conserving battery life by activating the optic when movement is detected. A side-mounted tray allows quick CR2032 battery replacement. Rubber lens covers provide added protection during storage.
With a 2 MOA green dot, parallax-free viewing, and unlimited eye relief, the HE403B-GR is perfect for users of all experience levels.
HE403B-GR Compact Micro Sight – Features
Compact 20mm micro 2 MOA green dot sight for rifles and carbines
Green Super LED technology with up to 50,000 hours of battery life
12 brightness settings (10 daylight, 2 night vision)
Durable 6061 aluminum housing
Shake Awake™ technology to conserve battery
Parallax-free with unlimited eye relief
Side-mounted CR2032 battery tray
Includes lower 1/3 co-witness and low-profile mounts
Rubber lens covers included
Picatinny rail compatible
Included in Box
Lower 1/3 Co-witness Mount
Low Profile Mount
T10 L Key
Rubber Cover
User Manual
CR2032 Battery
Lens Cloth
Specification
Specification
Details
Window Size
20mm Diameter
Dimension (in)
2.45 × 1.43 × 1.6
Weight (oz)
2.82
Housing Material
6061 T6 Aluminum
Surface Finish
MAO
Adjustment per Click
0.5 MOA
W&E Travel Range
±50 MOA
Storage Temperature
-40℃ to 70℃
Working Temperature
-30℃ to 60℃
Submersion
IP67
Vibration
1000G
Additional Information
Weight
0.08 kg
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Shipping & Returns
Domestic Shipping – For orders shipping within the USA*
Shipping Option
Cost
Delivery Time
Free Shipping – Regular Registered Shipping –
*Please note there is no option of adding Insurance protection to this form of shipping
FREE For orders above 199$ 12.95$ For orders below 199$
8-16 Business Days
Priority Shipping
14.95$ for orders Above 199$
17.95$ For orders under 199$
4-12 Business days
Express Shipping (UPS)
Cost will depend on the destination of the package (calculated shipping cost can be seen at checkout)
3-6 Business days
* For qualified orders. If an item is not available in our US warehouse it will be shipped from Israel (in this case the delivery times may be slightly longer).
International Shipping – For orders shipping outside USA
Free Shipping – Regular Registered Shipping –
*Please note there is no option of adding Insurance protection to this form of shipping
FREE For orders above 199$
12.95$ For orders below 199$
14-35 Business days
Priority (Eco Post)
14.95$ for orders Above 199$
17.95$ For orders under 199$
8-18 Business days
Express Shipping
Cost will depend on the destination of the package (calculated shipping cost can be seen at checkout)
3-8 Business days
*International TDI shipments – Orders shipping outside of the US will be shipped via USPS / UPS for a fee of 25$ (shipping cost can be seen at checkout).
Returns & Exchanges
All return claims must be made not more than 7 days after the item has been received.
Returns must be sent back within 30 days after delivery.
Exchanges are subject to product availability and may be subject to additional shipping fees.
To be eligible for a return or exchange, the item must be in its original condition, unused, and with all original tags and packaging.
You may return your item within 30 days from the day it was delivered to you in order to receive a refund. Please notify us of your intent to return the item within 7 days of receiving it. The item must be in its original condition and packaging. Shipping costs are non-refundable. For full return details, click here to view our complete return policy.
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