The Echo AR-II Trigger is a ground breaking drop in design that is approved by the ATF. (You will need a full auto bolt carrier in your firearm for the Echo AR-II to function) The Echo Trigger allows the shooter to select from 3 different settings:
Brand: Fostech INC - SKU: 4150 - Model: - UPC: 639266300021
Manufacturer | Fostech INC |
UPC | 639266300021 |
SKU | 4150 |
Secondary Description | Fostech Echo AR-II Drop In Trigger for AR-15 |