Made as a collaboration between Holosun Optics and Primary Arms Optics, the green-illuminated HE507K-GR-X2 with ACSS ® Vulcan ® Dot Reticle brings the revolutionary Vulcan aiming system to a micro reflex footprint. Designed for concealed carry, the HE507K-GR-X2-ACSS is lightweight, durable, and dependable, with up to a 40,000-hour runtime on medium settings. This sight retains all the core features and technologies of the standard Holosun model, including the Multi-Reticle System, Shake Awake technology, and a built-in Lock Mode. With 12 green-illuminated brightness settings and intuitive push-button controls, the HE507K-GR-X2-ACSS works in any lighting condition and is even compatible with night