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HE503CU-GR Holosun HE503CU-GR Elite Micro Sight - Green Circle Dot / Solar Panel

Manufacturer: Holosun
Manufacturer part number: HE503CU-GR
UPC: 605930624823
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Even though the Holosun elite micro sight can operate for 50,000 hours and up to five straight years due to its LED green circle dot and its backup battery, CR2032 battery, you can operate it on only its circle dot for up to 2 years.

The back-up battery will kick in when the LED green circle, operated using solar panel tech, drains power. In total, this optic device will function flawlessly in lighting and weather conditions for a total of 7 years. Therefore, making this optic device an ideal solution for professional shooters, hunters, law enforcement officials, and military personnel.

Since it offers unlimited eye relief, your eyes will not tire out when looking through it. Other features the company has added include 10 daylight settings and 2 NV brightness setting, multi-coated lenses, an unlimited field of view, multi-coated lenses, and 1x magnification to allow you to zoom in on your target.

You can equip this on a variety of different weapons such as crossbows, shotgun, air rifles, and pistols. You can use it with most standard mounts as well. This optic device has received both an IP67 and shockproof rating up to 1000G and exhibits optical windage and elevation due to its “U” design.

The HE503CU-GR Elite is a microgreen dot optic equipped with a 65 MOA circle dot reticle with the option of switching to a 2MOA dot only. The highly efficient light-emitting diodes and solar panels allow Holosun solar optics to run without a battery in many lighting conditions. Additionally, the back-up battery lasts up to 5-years on the dot and up to 2 years on the circle dot. The “U” signifies a housing design that shrouds the windage and elevation turrets on two sides.


  • New advanced Green technology LED allows up to 50,000 hours of operation on one CR2032 battery
  • 2 MOA dot and a 65 MOA ring
  • Unlimited field of view
  • Parallax-free with unlimited eye relief
  • Powered by both battery and solar
  • Low mount and 1/3 Co-witness mount included


Light Source    LED
Reticle    2MOA Dot & 65MOA Ring
Parallax Free    Yes
Unlimited Eye Relief    Yes
Magnification    1x
Multi-Coatings    Yes
Integrated Laser    No
Battery Type    CR2032
Battery Life    Up to 50,000 Hours
Brightness Setting    10 Daylight & 2 NV Compatible
Housing Material    6061 Aluminum
Surface Finish    MAO
Housing Color    Black
Adjustment per Click    0.5 MOA
W&E Travel Range    ±50 MOA
Storage Temperature    -40℉ - 158℉
Working Temperature    -22℉ - 140℉
Submersion    IP67
Vibration    Up to 1000G
Window Size    20mm Diameter
Dimension (in)    2.44 x 1.18 x 1.45
Weight (oz)    6.3
Central Height (in)    1.63
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