Fostech Echo ARII Trigger for the AR-15 Platform

This trigger system integrates patented technologies licensed from Franklin Armory and HIPERFIRE, ensuring reliable function and innovative performance. The Echo Mode allows firing on both trigger pull and release, providing a unique shooting experience with safety mechanisms to prevent unintended discharge.

Features

• Three selectable modes: Safe, Semi-Automatic, and Echo
• Safe Mode prevents firearm discharge
• Semi-Automatic Mode fires on trigger pull
• Echo Mode fires on trigger pull and release
• Light, clean, and crisp trigger pull in Semi-Automatic Mode
• Patented design with ATF approval (Patent # US 8820211 B1)
• Licensed technology from Franklin Armory (U.S. Pat. Nos. 9952012 and 9952013)
• Licensed technology from HIPERFIRE
• Reliable function in Echo Mode

Specifications

• Brand: Fostech
• Model Number (MPN): 4150
• UPC: 639266300021
• Color: Gold
• Material: Steel Aluminum
• Compatible Platform: AR-15