The Holosun HE509T-RD X2 is a rugged, enclosed red dot reflex sight engineered for handgun applications. Featuring a Grade 5 titanium housing, this optic offers superior durability and resistance to extreme conditions, including maritime environments. The Multi-Reticle System (MRS) allows users to toggle between a 2 MOA dot, a 32 MOA circle, or a combination of both for optimal aiming precision. Equipped with Solar Failsafe for continuous operation, Shake Awake technology for extended battery life, and enhanced multilayer reflective glass for superior clarity, the HE509T-RD X2 delivers cutting-edge performance. With 12 brightness settings, including night vision compatibility, and an included RMR-to-509T adapter plate, this optic is a versatile and reliable solution for duty, competition, or personal defense use.