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Echo AR-II Drop In Trigger For The AR-15 Rifle is one of the most advanced safety triggers on the market. With safety and dependability in mind the Echo AR-II Drop In Trigger features three different settings: Safe, semi-automatic and echo modes. With its’ unmatched technology the Echo AR-II Drop In Trigger afr an AR-15 is made from a patented design that has been approved by the ATF.
The Echo 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.










