The Night Fision GLK000001WGX utilizes an intricate injection molding procedure and robust military-grade polymer, along with durable polymer tritium outlines, to allow for maximum flexibility and exceptional daytime visibility. All parts of these premium Night Fision products, barring the tritium vials sourced from Switzerland, are skillfully manufactured in the USA from start to finish.This specialty front night sight features a distinct square top design, accompanied by a vibrant green tritium complemented by a striking white outline. It is compatible with all Glock models, making it an adaptable and valuable addition to your firearm.