Holosun HE503CU-GR Green Dot Optical Sight


The HE503CUGR is a 20mm micro optical sight designed for rifle and … Shake Awake, 12 brightness settings, Holosun’s Green Super LED with up to 50k hours


The Holosun HE503CU-GR GREEN is a micro optical LED weapon sight with a 2 MOA green dot and solar Fail Safe power system designed for carbine and rifle applications. This parallax free optic offers unlimited eye relief with two retical options, a 2 MOA dot only or a 2 MOA dot with a 65 MOA circle around it which represents 5’5″ at 100 yards. The HE503CU GREEN can be adjusted + or – 50 (fifty) MOA in .5 MOA increments.

Holosun’s advanced LED technology with 12 brightness settings and Shake Awake system combine to deliver up to 50,000 hours of battery life by powering up with motion and powering down when sitting still. A small solar panel on top of the optic provides Fail Safe operation should your battery ever go down. The Holosun HE503CU-GR GREEN is IP67 rated against dust and water up to 1 meter for 30 minutes.

The adjustment dials of the HE503CU-GR are protected by design against external contact that could disrupt your zero and the side mounted battery tray can be accessed without removing the optic from your firearm. This optic comes with both a high and low mount for use on firearms both with and without traditional iron or flip-up sights. The Holosun HE503CU-GR delivers value and reliability with exceptional battery life for your rifle or carbine.


  • Green MRS:2 MOA Dot; 2 MOA Dot & 65 MOA Circle
  • 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


  • Reticle: 2 MOA Dot & 65 MOA Circle
  • Reticle Color: Green
  • Parallax Free: Yes
  • Unlimited Eye Relief: Yes
  • Magnification: 1x
  • Multi-Coatings: Yes
  • Power Source: Solar & Battery
  • Battery Type: CR2032
  • Battery Life (Hours): 50000
  • Brightness Setting: 10 DL&2 NV
  • Window Size: 20mm Diameter
  • Dimension (in): 2.6×1.43×1.6
  • Weight (oz): 3
  • Housing Material: 6061 T6 Aluminum
  • Surface Finish: MAO
  • Adjustment per Click: 0.5 MOA
  • W&E Travel Range: ±50 MOA
  • Submersion: IP67
  • Vibration: 1000G
More Information
Product Name Holosun HE503CU-GR Green Dot Optical Sight
Brand Holosun


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