The Holosun HE508T-GR V2 is an open reflex sight with green dot reticle designed for pistol use. The HE508T-GR V2 is made with a solid titanium body. The HE508T-GR has three reticle options: a 2 MOA green dot, 2 MOA green dot with 32 MOA circle, or a stand-alone 32 MOA circle. The three reticle options make this optic a great choice for those with astigmatism or those seeking flexibility. The HE508T-GR V2 has 12 brightness settings, 2 of the settings are night vision compatible. At setting 6 the HE508T-GR V2 can provide up to 50,000 hours of life on a single CR1632 battery. Holosun Solar Failsafe technology ensures usage after battery drain, while Shake Awake technology activates the LED upon motion detection and deactivates the LED after periods of motionlessness. The Holosun HE508T-GR V2 weighs 2.0 oz.