ZiP Ghost Rail Standard Fixed Sights New for Summer 2016- ! ZiP Ghost Rail Standard Fixed Sights ZiP Ghost Rail fits all existing ZiP platforms. Great feature of this new rail is the Glow in the Dark ability-! The Original Nite Sight-! Re-Discovered by ZiPFactory based on the old "WHAM O-!" Frisbee of the 1970's Charge ZiP Ghost Rail under natural light or by head lamp or flashlight. 60 Second charge -lasts for hours - and will help find ZiP in drag bag or in tent/ camping when needed