One associated with the key features which set Holosun Optics aside is their innovative solar power technologies. This means that their red dot sights could be running on day light, extending the battery life significantly in comparison to regular optics.For those who prefer a more traditional red dot sight, the Holosun HS507C-X2 is an excellent choice. This particular compact sight f... https://holosunopticshop.com/product-category/holosun-optic-scope/