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.