Compact 20mm rifle and carbine sight with Holosun’s Green Super LED, a 2 MOA dot / 65 MOA circle Multi-Reticle System, Solar Failsafe backup power and Shake Awake – with lower 1/3 co-witness and low mounts both in the box.
$622.70
Available on back-order
The Holosun HE503CU-GR is a 20mm micro red dot sight for rifles and carbines fitted with Holosun’s Green Super LED. Its Multi-Reticle System switches between a 2 MOA dot and a 2 MOA dot with 65 MOA circle, and the sight is powered by a side-tray CR2032 battery backed by a Solar Failsafe panel so the reticle keeps running from ambient light if the battery goes flat. Shake Awake switches the LED off when the rifle is still and back on at the first movement. The 6061-T6 aluminium housing ships with both a lower 1/3 co-witness mount (1.63 in) and a low mount (0.75 in), covering AR-pattern rifles with iron sights as well as low-comb hunting and rimfire rifles, and the green reticle is popular with shooters who find green easier to pick up against bush backgrounds.
What is the difference between the HE503CU-GR and the HS503CU? They are the same solar-backed 20mm sight; the HE503CU-GR has a green LED while the HS503CU has a red LED.
Will the HE503CU-GR run without a battery? Holosun’s Solar Failsafe gives backup power when natural or artificial light is available; Holosun recommends keeping a CR2032 fitted for full performance in low light.
Which mounts are included? Both a 1.63 in lower 1/3 co-witness mount and a 0.75 in low mount are in the box.
3 Gun Tactical is a licensed firearms dealer (Dealer Licence 50001578) in Tingalpa, Brisbane QLD. Optics and accessories can be shipped Australia-wide.
The Holosun HE503CU-GR is a 20mm micro red dot sight for rifles and carbines fitted with Holosun’s Green Super LED. Its Multi-Reticle System switches between a 2 MOA dot and a 2 MOA dot with 65 MOA circle, and the sight is powered by a side-tray CR2032 battery backed by a Solar Failsafe panel so the reticle keeps running from ambient light if the battery goes flat. Shake Awake switches the LED off when the rifle is still and back on at the first movement. The 6061-T6 aluminium housing ships with both a lower 1/3 co-witness mount (1.63 in) and a low mount (0.75 in), covering AR-pattern rifles with iron sights as well as low-comb hunting and rimfire rifles, and the green reticle is popular with shooters who find green easier to pick up against bush backgrounds.
What is the difference between the HE503CU-GR and the HS503CU? They are the same solar-backed 20mm sight; the HE503CU-GR has a green LED while the HS503CU has a red LED.
Will the HE503CU-GR run without a battery? Holosun’s Solar Failsafe gives backup power when natural or artificial light is available; Holosun recommends keeping a CR2032 fitted for full performance in low light.
Which mounts are included? Both a 1.63 in lower 1/3 co-witness mount and a 0.75 in low mount are in the box.
3 Gun Tactical is a licensed firearms dealer (Dealer Licence 50001578) in Tingalpa, Brisbane QLD. Optics and accessories can be shipped Australia-wide.
| Brand | Holosun |
|---|---|
| Model | HE503CU-GR |
| Reticle | 2 MOA dot, or 2 MOA dot with 65 MOA circle (MRS) |
| Reticle Colour | Green |
| Light Source | Green Super LED |
| Magnification | 1x (parallax free, unlimited eye relief) |
| Window Size | 20mm diameter |
| Dimensions | 2.6 x 1.43 x 1.6 in (approx. 66 x 36 x 41 mm) |
| Weight | 3 oz (approx. 85 g) |
| Battery | CR2032 (side tray) |
| Battery Life | Up to 50,000 hours (setting 6) |
| Solar Failsafe | Yes |
| Brightness Settings | 12 (10 daylight, 2 night vision) |
| Adjustment per Click | 0.5 MOA |
| W&E Travel Range | ±50 MOA |
| Mounts Included | Lower 1/3 co-witness (1.63 in) and low (0.75 in) |
| Housing Material | 6061-T6 aluminium, MAO finish |
| Waterproof Rating | IP67 |
| Vibration Rating | 1000G |
| Operating Temperature | -30°C to 60°C |
| Power-Saving | Shake Awake |
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