Elcan's XOPTEK 4 MOA Micro Reflex Sight promotes faster, more intuitive target acquisition for virtually any shooting application. The XOPTEK Micro Reflex Sight is an ideal option for use on a handgun or carbine, but is equally compatible for use as a close-range aiming solution when used with a magnified optic. The XOPTEK ships with a pictinny rail adapter for ease of installation, and features a light transmission of 75%.