This Heinie front sight fits Trijicon's MOS/RMR application for Glock pistols. 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*
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.