Holosun has been committed to creating innovative optic, laser, and IR technologies for a wide range of shooting applications to satisfy any hunter, competition shooters, law enforcement, and military personnel since 2013. Holosun is the leading edge of developing new innovations such as 100,000 hou... Read Morer battery life, Solar failsafe technology, and a multi-reticle system MRS. Holosun takes pride in producing optics such as their open reflex sights and red dot sights with superior quality. For more information call us at 800-720-9625 for expert advice. Read Less