This Heinie Glock front sight fits Trijicon's MOS/RMR application. Sight will co-witness with the MOS/RMR when paired with the #3187RL Heinie rear. It is serrated and has one single tritium dot (no outline) that glows in the dark. It does not require modifications to the slide.
No fitting or modifications necessary for installation.
*Rust Resistant Finish*