Holosun HS510C 1x Open Reflex Red Dot Sight (2 MOA Dot / 65 MOA Circle MRS)
The Holosun HS510C is an open reflex red dot with a selectable Multi-Reticle System: 2 MOA dot, 65 MOA circle, or circle-dot. It features Solar Failsafe and Shake Awake, plus a side-mounted CR2032 battery tray for battery changes without removing the optic.
This HS510C mounts via an integrated quick-detach Picatinny co-witness mount (1.41" dot height). Includes manual and a replacement battery compartment.