Product Description The Holosun HE507K-GR-X2 is a compact micro reflex sight developed through a collaboration between Holosun Optics and Primary Arms Optics, featuring the exclusive ACSS Vulcan green dot reticle. Engineered for compact pistols and lightweight carry configurations, this optic delivers a green-illuminated reticle system with up to 12 brightness settings, including night-vision-compatible modes. It mounts to an RMR-style footprint for broad slide compatibility and features a durable anodized black finish. With an impressive battery runtime of up to 40,000 hours on medium brightness and advanced technologies such as Shake Awake, Multi-Reticle System, and built-in Lock Mode, the HE507K-GR-X2 is an outstanding choice for everyday carry and tactical applications requiring fast, reliable sight acquisition. Product Highlights ACSS Vulcan green dot reticle engineered for rapid target acquisition and improved shot-to-shot accuracy Up to 12 green-illuminated brightness settings with night-vision compatibility for use in all lighting conditions Shake Awake technology automatically activates the reticle when motion is detected, maximizing battery life RMR-style mounting footprint ensures wide compatibility across a broad range of pistol slides Multi-Reticle System and built-in Lock Mode offer versatile reticle options and secure, unintentional-adjustment-free operation Specs Brand: PRIMARY ARMS OPTICS Model: 507K-GR-X2 MPN: HE507K-GR-X2-ACSS UPC: 810047072409 Power: 1X Reticle: ACSS Vulcan Green Dot Reticle Illumination: Green Brightness Settings: 12 (including night-vision compatible) Battery Runtime: Up to 40,000 hours on medium setting Mounting Footprint: RMR Style Finish: Anodized Color: Black Included Technologies: Multi-Reticle System, Shake Awake, Lock Mode Product Type: Compact Micro Reflex Sight Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.