The Fostech Echo ARII Trigger for ARs is an advanced binary firing system designed to enhance the performance of AR-platform rifles. This innovative trigger allows for one round to be fired on both the pull and release of the trigger, effectively doubling the rate of fire while maintaining control. The Echo ARII features a unique Auto-Reset design that enhances safety and reliability. With three modes of operation - Safe, Semi-Auto, and Echo - this trigger system offers versatility for various shooting applications. Installation is straightforward, making it an excellent upgrade for shooters looking to enhance their AR's capabilities.

Features/Specs:

• Compatibility: AR-15 and AR-10 platforms

• Modes: Safe, Semi-Auto, and Echo (Binary)

• Pull Weight: Approximately 4-5 lbs

• Material: Precision-machined, heat-treated alloy steel

• Installation: Drop-in design (some fitting may be required)

• Safety Features: Auto-Reset technology, trigger disconnect

• Includes: Complete trigger assembly, springs, and installation hardware

The Echo Trigger is designed with safety being the utmost priority. When the shooter is in the Echo Mode and depresses the trigger one round is fired if the target moves the shooter can move the selector to the safe position and a second round will not fire upon release.

The echo trigger has several distinct features:

• PATENTED Design that gained ATF Approval (Patent # US 8820211 B1)
• PATENTED Technology licensed through Franklin Armory inside the Echo AR-II Trigger including U.S. Pat. Nos. 9952012 and 9952013.
• Technology licensed through HIPERFIRE inside the Echo Trigger
• Light clean and crisp pull in Semi-Automatic Mode
• The Echo Trigger is packed full of cutting edge technology
• Reliable function in Echo Mode