Primary Arms 507K Red Dot Sight Red ACSS Vulcan Reticle Anodized Finish Black Holosun 407K/507K Footprint

Overview

The Holosun HS507K X2 open reflex red dot sight is engineered specifically for subcompact pistol and concealed carry applications. Developed through a collaboration between Holosun and Primary Arms, this model features the patented ACSS Vulcan Dot Reticle integrated onto a micro reflex footprint. It offers 12 red-illuminated brightness settings, comprising 10 daylight levels and 2 night-vision compatible options, alongside an unlimited eye relief and a parallax-free view. Constructed from durable 7075 aluminum with a matte black anodized finish, the optic incorporates a side-mounted 1632 battery tray that provides up to 50,000 hours of battery life on setting six. Key operational features include Shake Awake technology, a Multi-Reticle System, and a built-in Lock Mode to prevent accidental setting changes. The sight is IP67 waterproof and serves as a direct mount for platforms like the P365X and P365XL, while requiring an adapter plate for slides featuring a four-boss interface.

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