Action Army AAC21 Custom Outer Barrel (Black) for AAC21 Gas Sniper Airsoft Gun Made in Taiwan 100% CNC - Made in Taiwan with High Quality Light Weight Metal Aluminum Construction / Fluted Design / Lightweight 14mm Threaded Barrel / High Quality Anodized Body Coating Compatibility: KJW M700 Gas Airsoft Sniper and Tanaka M700 Gas Airsoft Sniper Made in Taiwan