HiViz Glock Co-Witness Tritium Sight Set Glock MOS 9mm/40 S&W 357 SIG. Sight height is 0.430 above slide. Sights will be visible withreflex sight at or below the reflex reticle for most reflex sights. GMNG21-2 Tritium sight sets fits: Glock MOS models only in 9mm40 S&W and 357 Sig. Does not fit models 42 43 43x and 48. Specifications for HiViz Glock Co-Witness Tritium Sight Set: Manufacturer: HiViz Gun Make: Glock Gun Model: Glock 47 MOS Glock 41 MOS Glock 40 MOS Glock 35 MOS Glock 19 MOS Glock 34 MOS Glock 17 MOS Color: Green Front Sight Color: Green w/ White Ring Fabric/Material: Steel Gun Type: Pistol Features of HiViz Glock Co-Witness Tritium Sight Set Ultra bright encapsulated Tritium Reflex sight compatible sight height All steel construction Package Contents: HiViz Glock Co-Witness Tritium Sight Set HiViz GMNG21-2: Glock Co-Witness Tritium Sight Set Glock MOS 9mm/40 S&W 357 SIG