Holosun 503 CU
The HS503CU-ELITE features a green circle dot reticle. C signifies solar power battery back up. U signifies a housing design that shrouds the windage and elevation turrets on two sides. Employing new LED technology, the life time for one CR2032 battery can reach 2 years if left on constantly on setting 10 of 12.Features & detailsGreen Multi Reticle System allows 65 MOA ring, 2 MOA dot or both together without having to re-zero the optic.Solar power battery back up, Shake awake sensor with last setting recall.