Hard-use open reflex sight in a grade 5 titanium housing with Holosun’s red Multi-Reticle System, Solar Failsafe backup power, Shake Awake and Lock Mode – built for duty pistols and competition guns that get run hard.
$778.70
Available on back-order
The Holosun HE508T-RD-X2 is an open reflex red dot sight for full-size and compact pistols, built around a machined grade 5 titanium housing instead of the aluminium used on the 507C. It uses Holosun’s red Multi-Reticle System (MRS), so you can run a 2 MOA dot, a 32 MOA circle or the circle-dot combination, and it is powered by a side-loading CR1632 battery backed by a Solar Failsafe panel for up to 50,000 hours on setting 6. The X2 generation adds Lock Mode to stop accidental button presses. It mounts on the industry-standard RMR footprint, which makes it a direct fit for most optics-ready pistols used in IPSC, Steel Challenge and service matches in Australia.
What is the difference between the HE508T-RD-X2 and the HS507C X2? Both share the RMR footprint, MRS reticle, Solar Failsafe and Shake Awake; the 508T uses a grade 5 titanium housing where the 507C is 7075 aluminium, and the 508T has ±50 MOA of adjustment.
Does the HE508T-RD-X2 fit an RMR cut slide? Yes. Holosun lists it as direct-mount on the RMR footprint, so it fits slides or adapter plates cut for the Trijicon RMR pattern.
Is there a green version? Yes – the HE508T-GR-X2 is the same sight with a 540nm green MRS reticle; this listing is the red (RD) version.
3 Gun Tactical is a licensed firearms dealer (Dealer Licence 50001578) in Tingalpa, Brisbane QLD. Optics and accessories ship Australia-wide.
The Holosun HE508T-RD-X2 is an open reflex red dot sight for full-size and compact pistols, built around a machined grade 5 titanium housing instead of the aluminium used on the 507C. It uses Holosun’s red Multi-Reticle System (MRS), so you can run a 2 MOA dot, a 32 MOA circle or the circle-dot combination, and it is powered by a side-loading CR1632 battery backed by a Solar Failsafe panel for up to 50,000 hours on setting 6. The X2 generation adds Lock Mode to stop accidental button presses. It mounts on the industry-standard RMR footprint, which makes it a direct fit for most optics-ready pistols used in IPSC, Steel Challenge and service matches in Australia.
What is the difference between the HE508T-RD-X2 and the HS507C X2? Both share the RMR footprint, MRS reticle, Solar Failsafe and Shake Awake; the 508T uses a grade 5 titanium housing where the 507C is 7075 aluminium, and the 508T has ±50 MOA of adjustment.
Does the HE508T-RD-X2 fit an RMR cut slide? Yes. Holosun lists it as direct-mount on the RMR footprint, so it fits slides or adapter plates cut for the Trijicon RMR pattern.
Is there a green version? Yes – the HE508T-GR-X2 is the same sight with a 540nm green MRS reticle; this listing is the red (RD) version.
3 Gun Tactical is a licensed firearms dealer (Dealer Licence 50001578) in Tingalpa, Brisbane QLD. Optics and accessories ship Australia-wide.
| Brand | Holosun |
|---|---|
| Model | HE508T-RD-X2 |
| Sight Type | Open reflex pistol sight |
| Reticle | 2 MOA dot, 32 MOA circle or circle-dot (MRS) |
| Reticle Colour | Red |
| Light Source | Super LED, 650nm |
| Magnification | 1x (parallax free, unlimited eye relief) |
| Battery | CR1632 (side-loading tray) |
| Battery Life | Up to 50,000 hours (setting 6) |
| Solar Failsafe | Yes |
| Brightness Settings | 12 (manual and automatic, night-vision compatible settings) |
| Power-Saving | Shake Awake, auto-off, memory, Lock Mode |
| Adjustment per Click | 1 MOA |
| W&E Travel Range | ±50 MOA |
| Window Size | 0.63 x 0.91 in (approx. 16 x 23 mm) |
| Dimensions | 1.78 x 1.15 x 1.15 in (approx. 45 x 29 x 29 mm) |
| Weight | 2 oz (approx. 57 g) |
| Footprint | RMR |
| Housing Material | Grade 5 titanium, black |
| Waterproof Rating | IP67 |
| Vibration Rating | 5000G |
| Operating Temperature | -30°C to 60°C |
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