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Description
Holosun HE403R-GD Compact Gold Dot Optical Sight w/ Low Profile & Lower 1/3 MountSpecifications: Manufacturer: HOLOSUN Model: HE403R GD Compact Gold Dot Optical Sight Reticle: 2 MOA Gold Dot Parallax Free: Yes Unlimited Eye Relief: Yes Magnification: 1x Brightness Settings: 12 (10 Daylight & 2 NV Compatible) Housing Material: Aluminum Adjustment per Click: 0. 5 MOA Windage & Elevation Travel Range: 50 MOA Battery Type: CR2032 Battery Life: Up to 100,000 Hours (Setting 6) Light Wavelength: 590nm Multi Coated Lens: Yes Window Size:
Specifications:
- Manufacturer: HOLOSUN
- Model: HE403R-GD Compact Gold Dot Optical Sight
- Reticle: 2 MOA Gold Dot
- Parallax Free: Yes
- Unlimited Eye Relief: Yes
- Magnification: 1x
- Brightness Settings: 12 (10 Daylight & 2 NV Compatible)
- Housing Material: Aluminum
- Adjustment per Click: 0.5 MOA
- Windage & Elevation Travel Range: 50 MOA
- Battery Type: CR2032
- Battery Life: Up to 100,000 Hours (Setting 6)
- Light Wavelength: 590nm
- Multi-Coated Lens: Yes
- Window Size: 20mm Diameter
- Dimensions (w/ Lower 1/3 Mount): 2.57" x 1.59" x 2.70"
Features:
- Features a 2 MOA gold dot reticle for precision aiming.
- Offers an incredible battery life of up to 100,000 hours when set at level 6.
- Includes 12 brightness levels: 10 for daylight use and 2 optimized for night vision.
- Equipped with a rotary switch that incorporates a built-in battery compartment.
- Provides a parallax-free sight with unlimited eye relief.
- HOLOSUN Super LEDs deliver a wide intensity range, adapting seamlessly from extremely bright conditions to complete darkness. The Super Green LED not only benefits users who struggle with red-spectrum visibility but also enhances power efficiency at high brightness settings.
- Constructed using optical glass with multilayer coatings to ensure maximum light transmission, enhanced wear resistance, and reduced glare in both red dot sights and magnifiers.
Package Includes: 1x Sight, 1x Low Mount, 1x 1/3 Co-Witness (AR) Mount, 1x CR2032 Battery, 1x Hex Keys
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.4 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
This stuff really works fast and improves mpg like you won’t believe
Size: 300 Milliliter
I’ve tried many other types of fuel injector cleaners but this brand is amazing. I ran my truck down to less than a quarter of a tank of gas and poured it into the tank. I then drove 30 miles to an appointment and spent an hour in the appointment on the way home I noticed my mpg had gone up significantly. My truck tells me how many miles per gallon. I’m getting as I drive. I had gotten a code and I replaced the mass air filter and found a slight crack in an air hose, which I replaced that help with my code a little bit, but cleaning the fuel injectors with this product made such a significant difference. I just simply had a hard time believing it, but it’s true.
I’m done with all those other brands of fuel injector cleaners which never really seemed to help much if you really want an amazing experience give this product to try.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 4, 2025
★★★★★ 5
Direct fit
Style: Standard Air Filter
Good price and direct fit, good quality, compatible with factory filter, easy install for DIY service.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Less price same product
Style: Standard Air Filter
Fits well better price than Fram
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Air intake
Style: Standard Air Filter
Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
★★★★★ 5
Perfect fit, no problems.
Style: Standard Air Filter
It fit perfect in my grandson's 2013 Subaru Outback. It went right in with no problem. And you can't beat the price. Will definitely purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026