The Advance Micro Reflex Sight is the smallest reflex sight in Bushnell’s AR Optics line. As a stand-alone optic, the Advance is highly compatible with virtually any modern long-gun from AR-platforms to shotguns, and can even be mounted on a variety of semiautomatic pistols including the Glock Mount Plate #1. The Advance can also be used in conjunction with a magnified optic as a backup sight or for taking close range shots. Features of the Advance Micro Reflex Sight:5 MOA dot Compatible with Glock Mount Plate #1 Waterproof Recoil-resistant Bushnell Tactical Bushnell AR Optics Micro 5 MOA Advance Reflex Sight AR750006