Hi-Viz GMNG21-2 Tritium Sight Set for Glock MOS

The Hi-Viz GMNG21-2 is a steel co-witness tritium front and rear sight set designed for Glock MOS handguns chambered in 9mm, .40 S&W, and .357 SIG. With a stated sight height of 0.430 inches above the slide, the sights are designed to remain visible with a reflex sight mounted at or below the reticle on most compatible optics.

Key Specifications

• The set includes steel front and rear sights for Glock MOS handguns.
• The sight system uses green tritium inserts in the front and rear sights.
• The stated sight height is 0.430 inches above the slide.
• The co-witness design is intended for use with reflex sights.
• Compatibility includes Glock MOS handguns in 9mm, .40 S&W, and .357 SIG.
• The listed fit excludes Glock 42, 43, 43X, and 48.
• The product style is identified as N2 Co-Witness.

For Glock MOS owners selecting a compact optical-sight-compatible setup, the GMNG21-2 combines a steel construction with tritium illumination and a defined co-witness height. Its front-and-rear configuration provides a consistent sighting solution for compatible handgun and reflex-sight applications.