The HE503R-GD is a 20mm micro-optical sight designed for rifle and carbine applications. Firstly, features include our new Rotary Switch, secondly 12 brightness settings, thirdly Holosun’s Gold Super LED with up to 50k hours battery life, and finally a Multi-Reticle System.

The HE503R-GD Elite, for instance, has a parallax-free sighting experience that offers unlimited eye relief paired with an unlimited field of view.

Tech & Features:

    • Gold MRS:2 MOA Dot; 2 MOA Dot & 65 MOA Circle
    • Up to 100,000 Hours Battery Life (Setting 6)
    • 12 Brightness Setting: 10 DL & 2 NV Compatible
    • Rotary Battery Compartment
    • Parallax-free & Unlimited Eye Relief

Special Price Now $289.99 + FREE SHIPPING

(Therefore, Due to the COVID 19 world crisis, shipping may take longer than during normal situations. If you need expedited shipping, please let us know before you click on “Buy Now”)

Canceled Orders – Therefore, any order canceled for any reason will be charged a 2.9% cancelation fee. Be sure of your Red Dot model before you buy it or consult with one of our technicians.

Gold Dot HE503R-GD

Kit Content

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



    • Reticle: 2 MOA Dot
    • Light Wavelength: 590nm
    • Reticle Color: Gold
    • Parallax Free: Yes
    • Unlimited Eye Relief: Yes
    • Magnification: 1x
    • Multi-Coatings: Yes


    • Power Source: Battery
    • Battery Type: CR2032
    • Battery Life (Hours): 50000
    • Brightness Setting: 10 DL&2 NV


    • Housing Material: 6061 T6 Aluminum
    • Surface Finish: MAO
    • Adjustment per Click: 0.5 MOA
    • W&E Travel Range: ±50 MOA


    • Window Size: 20mm Diameter
    • Dimension (in): 2.75×1.43×1.62
    • Weight (oz): 3.53


    • Storage Temperature: -40℃~70℃
    • Working Temperature: -30℃~60℃
    • Submersion: IP67
    • Vibration: 1000G

HOLOSUN® Limited Lifetime Warranty

For instance, your Holosun product is warranted to be free of defects in materials and workmanship with the Holosun Limited Lifetime Warranty. Therefore, this warranty applies to the first owner upon registration of the product.  In addition, this warranty specifically applies to the metal structure of the product housing and does not apply to the optical and illumination systems.

For instance, optical glass has a 5-year warranty. Firstly, the illumination system including electronics and LED has a 3-year warranty. Secondly, batteries don’t have coverage under warranty. Thirdly, in the event of a confirmed defect under this warranty, Holosun will, at their option, repair or replace the product with a Holosun product of similar type/function, and of equal or greater value. Finally, Holosun reserves the right to make substitutions for similar product/s if the warrantied model in question is no longer in production.

This Limited Lifetime Warranty does not apply

    • Asserted defects caused by normal wear and tear of any part. For instance, that’s including knobs, finish, accidents, neglect, misuse, abuse, etc. addition.
    • Asserted defects caused by modification including; aftermarket finishes, unauthorized service, improper maintenance, acts of nature.
    • Asserted defects involving subjective personal likes or judgments.

Therefore, this warranty is null and void if modification or maintenance is provided by someone other than Holosun. For instance, Holosun may restrict warranty service for our products to the country from which Holosun or its authorized dealers originally sold the Holosun product.

Therefore, the purchaser has full responsibility for warranty claims outside the United States, the costs of shipping or transporting the product (including to and from Holosun or our dealer), any insurance or any fees, duties, and taxes.

Additional Warranty Information:

We are aware of NON-AUTHORIZED parties selling COUNTERFEIT Holosun Technologies Inc. products on Amazon. Therefore, regarding this issue, we are alerting our valued customers, retailers, and distributors that Holosun Technologies Inc. is actively working to resolve it. For instance, please note that Holosun Technologies Inc. will NOT honor its Limited Lifetime or Elite Warranty for any products sold on Amazon by Non-Authorized Resellers. Therefore, we recommend that you use caution in buying products from Non-Authorized Resellers as they may not perform as intended.