DYTAC Airsoft 6.01mm Tightbore Inner Barrel Version 3

NOTE: This inner barrel is ready to use right out the packaging, though professional installation is recommended or may be required. Please only use high-quality precision seamless BBs in your airsoft gun after installing this barrel, as inferior grade BBs (i.e., ones from sporting goods stores) WILL jam inside this barrel. Features: -Precision Inner Surface Polished -Tightbore Diameter -Tight Air Seal Design -Smooth and Slick Surface Specifications: Material: Brass Diameter: 6.01 mm Weight: 3.5 oz Color: Chrome Package includes: Inner Barrel