Trijicon Suppressor/Optic Height Night Sights are designed specifically for the Glock 42. These three-dot tritium iron sights enable shooters to align their sights in various lighting conditions, including low-light environments. The suppressor height allows for compatibility with suppressed firearms, ensuring that the sights clear the added height of a suppressor for accurate targeting.Key FeaturesNight Sight Type: Three-dot tritium iron sights for visibility in low-light situations.Suppressor Height: Increased height to accommodate the use of suppressors.Compatibility: Can be used as backup iron sights with the Trijicon RMR.Warranty: Green tritium lamps are warranted for 12 years from the date of manufacture.