Click or scroll to zoom Tap or pinch to zoom Echo1 Buffer Tube Conversion kit for Echo1 GAT by ECHO1 USA Sold out $30.00 SKU ECHO GAT BT 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out Kit Contains: Buffer Tube Buffer Tube Cap/Screw Buffer Tube Washer/Screw