TriggerTech Duty AR-15 Curved Trigger - The AR Duty line is the latest in TriggerTech triggers that offers robust reliability without compromising performance. Reliability; confident in the triggers performance, even in the harshest environments. Trigger Break; Zero Creep Technology creates a crisp break every time. Service Life; proprietary design outlasts the competition. Intended Use. Close quarter engagement, harsh environments operations, law enforcement, military, 3 Gun, varmint hunting.