Compact 20mm rifle and carbine sight with Holosun’s Gold Super LED, a 2 MOA dot / 65 MOA circle Multi-Reticle System and a rotary brightness switch that doubles as the battery compartment – lower 1/3 co-witness and low mounts both in the box.
$609.70
Available on back-order
The Holosun HE503R-GD is a 20mm micro red dot sight for rifles and carbines that uses Holosun’s Gold Super LED. Its Multi-Reticle System lets you run a 2 MOA dot, a 65 MOA circle-dot, or both, and brightness is selected with a rotary switch on the side of the housing rather than push buttons – the CR2032 battery sits inside that rotary dial. 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), so it suits AR-pattern rifles with iron sights as well as low-comb hunting and rimfire rifles. The gold reticle is an alternative for shooters who find a red dot washes out against some backgrounds or who have colour-vision difficulty with red.
How does the HE503R-GD differ from the HE503CU-GR? The HE503R-GD has a gold LED and a rotary brightness switch that also houses the battery, and no solar panel. The HE503CU-GR has a green LED, push-button controls, a side battery tray, Shake Awake and a Solar Failsafe panel.
Which mounts are included? Both a 1.63 in lower 1/3 co-witness mount for AR-height sights and a 0.75 in low mount for low-comb rifles are in the box.
Does it work with night vision? Two of the twelve brightness settings are night-vision compatible.
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 HE503R-GD is a 20mm micro red dot sight for rifles and carbines that uses Holosun’s Gold Super LED. Its Multi-Reticle System lets you run a 2 MOA dot, a 65 MOA circle-dot, or both, and brightness is selected with a rotary switch on the side of the housing rather than push buttons – the CR2032 battery sits inside that rotary dial. 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), so it suits AR-pattern rifles with iron sights as well as low-comb hunting and rimfire rifles. The gold reticle is an alternative for shooters who find a red dot washes out against some backgrounds or who have colour-vision difficulty with red.
How does the HE503R-GD differ from the HE503CU-GR? The HE503R-GD has a gold LED and a rotary brightness switch that also houses the battery, and no solar panel. The HE503CU-GR has a green LED, push-button controls, a side battery tray, Shake Awake and a Solar Failsafe panel.
Which mounts are included? Both a 1.63 in lower 1/3 co-witness mount for AR-height sights and a 0.75 in low mount for low-comb rifles are in the box.
Does it work with night vision? Two of the twelve brightness settings are night-vision compatible.
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 | HE503R-GD |
| Reticle | 2 MOA dot, or 2 MOA dot with 65 MOA circle (MRS) |
| Reticle Colour | Gold |
| Light Source | Gold Super LED |
| Magnification | 1x (parallax free, unlimited eye relief) |
| Window Size | 20mm diameter |
| Dimensions | 2.75 x 1.43 x 1.62 in (approx. 70 x 36 x 41 mm) |
| Weight | 3.53 oz (approx. 100 g) |
| Battery | CR2032 (in rotary switch) |
| Battery Life | Up to 50,000 hours (Holosun overview; spec table states 100,000 hours at setting 6) |
| Solar Failsafe | No |
| Brightness Settings | 12 (10 daylight, 2 night vision), rotary switch |
| 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 |
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