The Holosun 507 Gold Competition Reticle Large Open Lens Shake Awake 7075 Aluminum Miniature Pistol Reflex Sight is a high-performance pistol optic built for speed and competitive shooting. It features Holosun’s Competition Reticle System with a 2MOA dot and selectable 8MOA, 20MOA, or 32MOA circle options, displayed in a high-visibility gold reticle for excellent contrast in varied lighting. The large open viewing window allows rapid target acquisition with unlimited eye relief and parallax-free performance at practical handgun distances. Constructed from durable 7075-T6 aluminum with a hard-anodized finish, it uses an industry-standard footprint for slide mounting and includes Shake Awake technology to extend battery life up to 50,000 hours on a single CR1632 battery. With precise 1MOA adjustments, IP67 waterproof rating, and a lightweight, compact design, the HS507COMP-GD is well suited for competition, range use, and duty pistols. Holosun 507 Gold Competition Reticle Large Open Lens Shake Awake 7075 Aluminum Miniature Pistol Reflex Sight HS507COMP-GD