Description
FosTech Outdoors Echo AR-II trigger is an AR-15 fire-control component with three selectable settings: Safe Mode, Semi-Automatic Mode, and Echo Mode. In Semi-Automatic Mode, the firearm fires when the trigger is pulled. In Echo Mode, it fires when the trigger is pulled and again when the trigger is released, with the selector able to be moved to Safe to stop release firing.
Features
- 3-position selectable operation: Safe, Semi-Automatic, and Echo
- Echo Mode fires on trigger pull and trigger release
- Designed with safety as a priority
- Light, clean, crisp trigger pull in Semi-Automatic Mode
Specifications
| Fits | AR-15 platform |
|---|---|
| Part Type | Trigger |
| Selectable Modes | Safe, Semi-Automatic, Echo |
| Patent References | US 8820211 B1, US 9952012, US 9952013 |



