$50 shipped. Bought, was going to use on a MK18 mod-0 but I’ve changed directions. Decently bright. Second pic was taken with the lights on and the blinds open. Has pressure switches on each side of the handle. 20 mm rail with quick detachable lever 35 mm lens Double pressure switch activates light 2 LED Navigator/ map reading Lights activated by thumb button Rocker switch for constant on Retails for $60+