Holosun HS510C 1x Open Reflex Red Dot Sight (2 MOA Dot / 65 MOA Circle)
The Holosun HS510C is an open reflex red dot sight with a wide viewing window and a selectable Multi-Reticle System (2 MOA dot, 65 MOA circle, or circle-dot). It features Solar Failsafe and Shake Awake for automatic brightness support and motion-activated operation, plus a side-mounted CR2032 battery tray for battery changes without removing the optic.
This optic mounts directly to a Picatinny rail using its integrated quick-detach mount. Includes the original box and original manual.

