Fostech AR-15 Complete Bolt Carrier Group BCG Black Nitride Coating FT-BCG. This is a standard full-auto M16 cut Nickel Boron Bolt Carrier Group BCG. It is designed to function with the Echo AR-II and the Echo Sport. Specifications for Fostech AR-15...
Fostech AR-15 Complete Bolt Carrier Group BCG Black Nitride Coating FT-BCG. This is a standard full-auto M16 cut Nickel Boron Bolt Carrier Group BCG. It is designed to function with the Echo AR-II and the Echo Sport. Specifications for Fostech AR-15...