Holosun HS407C X3 Black – 2 MOA Red Dot Sight

This is the new 2026 Holosun HS407C X3 generation – not the previous X2. The HS407C-X3-RD combines the proven red 2 MOA dot and Trijicon RMR footprint with a modernised reinforced housing and a forward-facing light sensor.

What is new on the Holosun HS407C X3?

The X3 is a focused evolution of the established 407C platform. Its hard-anodised 7075-T6 aluminium housing has been modernised and reinforced. A forward-facing photodiode reads changing ambient light more directly and works with Solar Failsafe to manage automatic brightness. The side-loading CR1632 tray remains accessible without removing the optic from its mount.

• New X3 housing: modernised, reinforced black 7075-T6 aluminium construction.
• Precise 2 MOA red dot: one clean dot reticle; this is not a selectable multi-reticle optic.
• Solar Failsafe + front sensor: automatic response to changing ambient light.
• Shake Awake, memory and lockout: motion activation, last-setting memory and protection against accidental changes.

Optics, brightness and battery life

The multi-coated window provides 1× magnification and unlimited eye relief. Its 650 nm red Super LED offers eight daylight and four night-vision-compatible brightness settings. Automatic brightness, manual control and lockout mode are all available.

Holosun states up to 100,000 hours of runtime depending on mode, brightness and use. The technical manufacturer specification at brightness setting 6 is 50,000 hours. Power comes from a side-loading CR1632 battery.

HS407C-X3-RD specifications

RMR footprint and compatibility

The HS407C X3 uses the standard Trijicon RMR footprint. Whether it mounts directly or requires an adapter plate depends on the individual optics-ready system. Always verify the footprint, interface and screw dimensions of your mount before ordering; our team is happy to help if you are unsure.

In the box according to Holosun

• Holosun HS407C-X3-RD
• 2× 6-32 × 9.5 mm screws
• 2× 6-32 × 7.4 mm screws
• Lens cloth
• Multi-tool
• User manual
• Warranty card

Buy the Holosun HS407C X3

Flunatec supplies the new HS407C X3 as a genuine product from an official Holosun distributor. In-stock items normally leave Austria within 24 hours. Full manufacturer warranty, 30-day returns and personal advice on the correct RMR mounting solution are included.

All technical data has been checked against the official Holosun HS407C-X3-RD model page. Official HS407C-X3-RD product page.