HiViz Glock - Interchangeable LITEWAVE front sight- Skeletonized sight body. New Generation 3 interchangeable front sight. Durability of our over molded with interchangeable Lite pipes! Interchangeable style front sight for Glock, includes three Lite Pipes in Red fiber optic family Lite Pipe, green and white and key to change Lite Pipes. Fits all Glock models including 41 and 42. .080" diameter Lite Pipe.