The Holosun HE407C X3 (HE407C-X3-GR) is a 1x open-emitter sight with a single 2 MOA green dot, built on the Holosun 507C footprint, which is the Trijicon RMR pattern.
One uncluttered aiming point in green — no circle, no clutter, and a colour the eye picks up more readily than red at the same output.
The X3 housing is 7075-T6 aluminium rated IP67 for dust and immersion, weighing 1.5 oz (43 g) with a 0.91 x 0.63 in window, and measuring 1.78 x 1.15 x 1.15 in overall. Its light sensor faces forward, so automatic brightness is set by the light falling on the target rather than the light behind the shooter. A CR1632 sits in a side-loading tray, rated for up to 100,000 hours on setting six, with Solar Failsafe as supplemental power, Shake Awake and Lock Mode.
Green suits woodland, hedgerows and low light, where a red dot can wash into a dark background — and it is easier to see for shooters with a mild red-green colour deficiency. The single 2 MOA dot is deliberate: nothing surrounds it, so nothing competes with it on a small target. Adjustment is 1 MOA per click across plus or minus 50 MOA. Illumination runs to twelve settings, eight of them for daylight and four for use behind a night vision device.
Why shooters choose the HE407C X3
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Reticle — single 2 MOA green dot with no surrounding circle
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Sensor — forward-facing, so brightness follows the light on the target
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Footprint — Holosun 507C, which is the Trijicon RMR pattern
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Power — side-loading CR1632 with Solar Failsafe, up to 100,000 hours on setting six
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Illumination — 8 daylight and 4 night vision settings, with Shake Awake and Lock Mode
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Housing — 7075-T6 aluminium, IP67 rated, 1.5 oz (43 g)
What the HE407C X3 fits
RMR-cut hosts and optics-ready pistols supplied with an RMR-pattern adapter plate. The previous generation on the same footprint and cell is the HE407C X2, a 6 MOA green dot in a competition body is the HE407COMP, and the switchable circle-dot in green is the HE509T X2.
Specifications
| Optic type |
Open emitter green dot sight, 1x |
| Reticle |
2 MOA green dot |
| Footprint |
Holosun 507C / Trijicon RMR |
| Window |
0.91 x 0.63 in |
| Illumination |
8 daylight and 4 night vision settings |
| Light sensor |
Forward-facing, for adaptive brightness |
| Battery |
CR1632 in a side-loading tray, up to 100,000 hours on setting six |
| Power |
Solar Failsafe supplemental power |
| Power management |
Shake Awake and Lock Mode |
| Click value |
1 MOA |
| Adjustment range |
Plus or minus 50 MOA windage and elevation |
| Housing |
7075-T6 aluminium, IP67 |
| Dimensions |
1.78 x 1.15 x 1.15 in |
| Weight |
1.5 oz (43 g) |
| MPN |
HE407C-X3-GR |
If green reads faster for your eyes, this is the plain-dot X3 to put on an RMR-cut host. Order the HE407C X3 today — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.
Explore more: Green Dot Sights, Holosun HE407C X2 or browse all Holosun.
