Holosun HE510C-GR Open Reflex Red Dot Sight (Green MRS, 1x)
The Holosun HE510C-GR is a 1x open reflex sight with a green Multi-Reticle System (MRS), offering a selectable 2 MOA dot, 65 MOA circle, or circle-dot reticle. ([holosun.com](https://www.holosun.com/products/he510c-gr?utm_source=openai))
Built with an aluminum body and titanium protective hood, it features Solar Failsafe and Shake Awake, plus an integrated quick-detach Picatinny mount at absolute co-witness height (1.41"). Power is supplied by a CR2032 battery in a side-loading tray, with up to 50,000 hours of runtime (setting 6). ([holosun.com](https://www.holosun.com/products/he510c-gr?utm_source=openai))