PA HOLOSUN HS507K-X2 ACSS VULCAN RED micro reflex sight by Primary Arms in collaboration with Holosun, featuring the ACSS Vulcan dot reticle, 12 brightness settings, Shake Awake, Lock Mode, and up to 40,000-hour runtime.
The Primary Arms PA HOLOSUN HS507K-X2 ACSS VULCAN RED is a micro reflex sight developed through a collaboration between Holosun Optics and Primary Arms Optics and built on a compact footprint intended for concealed carry and compact pistols. It integrates Holosun’s patented ACSS Vulcan dot reticle with a Multi-Reticle System and includes user features such as Shake Awake and a built-in Lock Mode. The sight offers up to a 40,000-hour runtime on medium settings and 12 red-illuminated brightness settings for use across varied lighting conditions. Its open-emitter design and compatibility with night-vision devices make it suitable for carry optics and precision practice at the range.
Product Specifications
The manufacturer is Primary Arms.
The model is 507K.
The marketed name is PA HOLOSUN HS507K-X2 ACSS VULCAN RED.
The unit fits a K Footprint.
The reticle is the ACSS Vulcan dot reticle.
The sight offers 1X power.
The finish is Anodized.
The color is Black.
The emitter type is Open Emitter.
The product type is Red Dot.
The subcategory is Red Dot Sights & Non-Magnified Optics.
The runtime is rated at up to 40,000 hours on medium settings.
The sight offers 12 red-illuminated brightness settings with push-button controls.
Included technologies are Multi-Reticle System, Shake Awake, and a built-in Lock Mode.
The UPC is 810047072393.
Compact and feature-rich, the HS507K-X2 ACSS Vulcan red dot blends Holosun’s reticle design with Primary Arms’ optics integration to deliver a low-profile sight for concealed carry and everyday carry users who require consistent sight picture and intuitive controls. Its long runtime and user-focused features make it a practical choice for range practice and carry setups where a compact reflex is preferred.
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