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 Notch Fits Glock 42 43 43X 48 models