Fostech Echo AR-II Drop-In Binary Trigger Metallic FT-ECHO-ARII. These Rifle Triggers feature an innovative drop-in design for easy installation and deliver crisp light pulls while in semi-auto mode. Overall the Fostech Echo Trigger has 3 different...
Fostech Echo AR-II Drop-In Binary Trigger Metallic FT-ECHO-ARII. These Rifle Triggers feature an innovative drop-in design for easy installation and deliver crisp light pulls while in semi-auto mode. Overall the Fostech Echo Trigger has 3 different...