Built with a sturdy, copper manganese alloy coated with coated with nickel Compatible with Well AWP Sniper Rifles Durable, rigidly weighted barrels minimize vibrations and consistently improves accuracy Air Track Inner Bore design reduces air dispersion to maintain BB stability as it travels out of the barrel Precision 6.02mm inner barrelSpecifications: Brand Maple Leaf Build Nickel Plated Copper Inner Barrel Diameter 6.02 mm Inner Barrel Length 500mm Compatibility Well AWP Sniper Rifles 1X Inner Barrel