The Holosun HE510C-GR is a popular optic option from Holosun as its also been heavily featured in the popular hit video game Call of Duty: Modern Warfare (2019).  Its both lightweight and boasts modern solar technology ensuring reliability in all situations.  This green dot sight is real steel rated and works great as a go to optic for airsoft use due to its rugged titanium construction and high impact resistant glass! 

Features: 

• 2 MOA Dot & 65 MOA Circle 
• 50,000 Hours of Dot / 20,000 Hours for Circle-Dot Battery Life 
• 25,000 Hour Battery life at Setting 10 for Dot
• Solar Panel
• Memory Function for Brightness Setting 
• 10DL & 2NV Brightness Settings Under Manual 
• 1.41" Detachable QD Mount
• Battery Tray 
• Waterproof
• Parallax Free 

Includes: 

• x1 Holosun Elite Series HE510C-GR Reflex Circle Dot Sight
• x1 Battery Tray 
• x1 Adjustment Tool 
• x1 User Manual