Holosun HS510C Reflex Sight 1x Selectable Reticle, Quick-Release Mount, Solar/Battery Powered, FDE

The Holosun HS510C reflex sight brings open-frame optics simplicity to shooters who demand versatility without compromise. Whether you're running a carbine on the range, setting up a defensive rifle, or dialing in a precision build, this 1x red dot delivers the wide sight picture and fast target acquisition that make a real difference when speed counts. The FDE variant matches modern rifle platforms while the open frame keeps your situational awareness intact—no tunnel vision, just clean sight lines and quick shot opportunities.

What sets the HS510C apart is its selectable reticle system. You get three options at the push of a button: a 65 MOA circle paired with a 2 MOA dot for flexibility, a 2 MOA dot for precision, or a 65 MOA ring for rapid target pickup. That adaptability means one optic covers everything from CQB workups to distance shooting without hunting for a second sight. The parallax-free design keeps your point of aim consistent regardless of eye position—critical when your shooting stance varies or you're moving through different barriers and positions.

Power is dual-sourced through Holosun's Advanced Super Solar Technology backed by a CR2032 battery, so you're covered in daylight and low-light settings alike. The titanium-alloy hood provides real protection without unnecessary weight, and Shake Awake technology keeps the sight dormant until movement brings it back online, preserving battery life in the field. The quick-release mount means you can swap the sight between rifles or stow it fast if your kit demands it.

Key Features

• Selectable reticle system—65 MOA circle with 2 MOA dot, 2 MOA dot only, or 65 MOA ring
• Open reflex design for wide sight picture and unobstructed peripheral vision
• Parallax-free optical design ensures consistent point of aim across shooting positions
• Dual power: Advanced Super Solar Technology plus CR2032 battery backup
• Shake Awake technology automatically activates the optic when motion is detected
• Titanium-alloy protective hood
• Quick-release mount for rapid transitions between platforms
• FDE finish for modern rifle systems

Specifications

Frequently Asked Questions

What reticle options does the HS510C offer?

The HS510C features a selectable reticle system with three choices: a 65 MOA circle with a 2 MOA center dot for versatile target work, a 2 MOA dot alone for precision aiming, or a 65 MOA ring by itself for rapid acquisition. Switch between them with a button press to match your shooting situation.

How is the HS510C powered?

The sight uses Holosun's Advanced Super Solar Technology combined with a CR2032 battery. The solar system keeps it running in daylight, while the battery provides backup and powers the optic in lower-light conditions. Shake Awake technology automatically conserves battery by putting the sight to sleep until motion wakes it up.

Is the HS510C parallax-free?

Yes. The HS510C has a parallax-free optical design, meaning your point of impact remains consistent even if your eye position shifts behind the sight. This is a significant advantage for shooters moving through positions or working from unstable platforms.

Does the HS510C come with a mount?

Yes, the HS510C includes a quick-release mount, allowing you to rapidly attach or remove the sight from one rifle and transition it to another platform as needed.