Ameriglo Tritium 2-Dot Rear Handgun Sight for Glock 42/43/43x/48 Yellow with White Front

AMERIGLO offers a wide range of proven, rugged, illuminated Tritium Rear night sights for select Glock, Springfield Armory, Sig Sauer and Smith & Wesson pistols. Choose from a variety of heights, notch widths, and notch shapes.Yellow Tritium 2-Dot White Outlines .256" H .165" Sq NotchFits Glock 42, 43, 43X, 48 models