Thanks to the development of the Holosun HE503G Elite Reflex Sight, rifle owners can have a complete aiming system with an easily seen green dot that can be used in any environment with ease. The whole system is loaded down with Holosun's unique features and durable construction, and the optic can be quickly removed or mounted, thanks to the included QD mounting system. Each Holosun HE503G Elite Reflex Sight is built with a CNC-machined Titanium housing and is outfitted with the company's Shake Awake technology, which instantaneously activates the sight and returns it to its last-known setting once movement is detected. Powered by a single CR2032 battery, this sight can run u Mfg: Holosun