Holosun HE509T-RD X2 The HE509T-RD X2 is an enclosed reflex optical sight designed for pistol applications. Features include a Titanium housing, Holosun’s Super LED with up to 50k hours battery life, Multi-Reticle System, Solar Failsafe, and Shake Awake. The included 509T RMR adapter plate is not compatible with ZEV or Shadow Systems style RMR interfaces. Click here to see all our optics and accessories Holosun HE509T-RD X2
