L&S ARCBT-BLK 7075 T6 MS BUFFER TUBE. L&S ARCBT-BLK 7075 T6 MS BUFFER TUBE - Specifications for L&S ARCBT-BLK 7075 T6 MS BUFFER TUBE: Manufacturer: Lead & Steel Fabric/Material: Aluminum L&S ARCBT-BLK 7075 T6 MS BUFFER TUBE