Enhance your shooting precision with the Truglo Tritium Pro Handgun Sights designed specifically for Glock MOS models 42 43 43X and 48. These sights are engineered with tritium providing a reliable glow in low light conditions without the need for batteries or external charging. The front sight features a FOCUSLOCK ring allowing for quick and easy target acquisition. Constructed from CNC machined steel with a black nitride fortress finish these sights are built to withstand harsh conditions while maintaining a sleek look. The rear sight glows with a green tritium hue complementing the green tritium and white outline on the front. Assembled in the U.S.A. with premium Swiss tritium these sights ensure maximum brightness and fit seamlessly into most standard holsters.