This is the 21g model of the popular DYNASTY A-FLOW BLACK LINE series barrel, "RYUSEI TYPE-ZERO." With its beautiful diamond-shaped form and double ring + wing cut configuration, it offers excellent grip and flight. This is being sold due to a replacement purchase. Specifications: • Material: 95% Tungsten • Weight: 21.0g (barrel only) • Length: 45.0mm • Max Diameter: 7.2mm • Standard: 2BA • Shape: Torpedo Accessories: • 3 Barrels • Shafts, Flights, and Tips (3 each) Thank you for viewing.