Fostech AR 15 Echo Sport Trigger - 4140
Model: Echo Sport Trigger
The Echo Trigger allows the shooter to select from 3 different settings:
Safe Mode: Firearm will not fire.
Semi-Automatic Mode: Firearm fires when the trigger is pulled.
Echo Mode: Firearm fires when the trigger is pulled and also when the trigger is released.
The Echo Sport trigger does not come with a bolt carrier. You will need a full auto bolt carrier in your firearm for the Echo Sport to function.
Q & A
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