The Holosun HE530C-GR is a 30mm Reflex Sight created with your rifle or carbine in mind. It's Solar Failsafe™ means you won't have to worry about battery failure and with the added feature of automatic brightness adjustment, you'll be able to use your red-dot in almost any lighting condition. Add to that the convenience of Shake Awake™, the user-programmable LED shut-off technology that wakes with the slightest movement, and you have one of the most battery efficient reflex sights on the market. Topping it off is Titanium housing and a green multi-reticle system making this a must-have optic for any rifle or PDW.