$489.99 $479.99


The Echo AR-II is the newest version of the ground breaking technology for the AR-15 platform This trigger gives you all the advantages of the original Echo Trigger but now does not require the proprietary carrier.


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SKU: FOSTEC001 Categories: , Tags: , ,



The Echo AR-II Trigger is a trigger for many but not all AR-15 platforms.   The Echo AR-II trigger NO LONGER comes with a stripped carrier with gas key because it is no longer needed.  You will use the M16 bolt carrier group already insdie your weapon.  If you do not have a full auto carrier group in your weapon you will need to attain a full auto carrier in order for the Echo AR-II trigger to function.   If you have any questions about the difference between a full auto carrier and a semi-automatic carrier please see our instruction manual that shows the illustration.  You can also find this information at

The Echo AR-II Trigger is a ground breaking drop in design that is approved by the ATF.

The Echo AR-II Trigger allows the shooter to select from 3 different settings.

Safe Mode: Firearm will not fire.
Semi-Automatic Mode: Firearm fires when trigger is pulled.
Echo Mode: Firearm fires when trigger is pulled and also when trigger is released.

The Echo AR-II 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 AR-II Trigger has several distinct features:
PATENTED Design that gained ATF Approval (Patent # US 8,820,211 B1)
Technology licensed through HIPERFIRE inside the Echo AR-II Trigger
Light, clean, and crisp pull in Semi-Automatic Mode
The Echo AR-II Trigger is packed full of cutting edge technology
Reliable function in Echo Mode


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