Primary Arms | HS507C-X2 ACSS Vulcan Red | 1X Red Dot

The Primary Arms PA HOLOSUN HS507C-X2 ACSS Vulcan Red is a compact, feature-rich 1X red dot designed for fast target acquisition. It uses an open-emitter layout and the patented ACSS Vulcan reticle with an outer circle for intuitive aiming. Battery-saving systems including solar failsafe and shake-awake help preserve runtime, while a slide-out CR1632 tray lets you replace the battery without removing the optic.

Well-suited for everyday carry setups and competitive/precision shooting on the range, the HS507C-X2 balances durability and sight picture clarity in a small package. It mounts to an RMR footprint and features rugged 7075-T6 aluminum construction with a black anodized finish.

Product Specifications

• The brand is Primary Arms.
• The model is 507C (HS507C-X2).
• The power is 1X for non-magnified aiming.
• The reticle is the ACSS Vulcan with an outer circle.
• The fit uses an RMR footprint for mounting compatibility.
• The battery type is CR1632 and is installed in a slide-out tray.
• The rated battery life is up to 20,000 hours on setting 6.
• The sight includes solar failsafe and shake-awake power-saving technologies.
• The construction material is 7075-T6 aluminum for structural durability.
• The finish is anodized black for corrosion resistance.
• The optic uses fully multicoated glass to improve light transmission and clarity.
• The emitter type is listed as Open Emitter.
• The product type is Red Dot under non-magnified optics.
• The color is Black.
• The UPC is 810047071143.

Compact and feature-packed, the HS507C-X2 ACSS Vulcan provides a versatile sight picture for users who prioritize quick acquisition and low-maintenance operation. Its combination of ACSS reticle geometry, battery-convenience features, and durable alloy construction make it a practical choice for everyday carry configurations and competitive or precision range work.