Suppressor height sights allow for a proper sight picture when firing a suppressed Glock or when using an RMR equipped slide such as the Tactical Glock Slide from One Source Tactical Night Sight model includes Trijicon Tritium inserts Nights Sight has a 3-Dot sight picture, with the Tritium illuminating green on both the front and rear sight The standard Suppressor Sight set does not feature dots or Tritium, allowing for a clean sight picture The standard front sight features a serrated face, for an anti-glare sight picture The standard set is an excellent option when using iron sights as backups on an RMR equipped slide Machined steel construction Matte black finish