Tank: aluminum alloy cylinder with a 40 mm diameter. Butt: Light alloy muzzle with increased holes to optimize the discharge of water. Handle: ergonomic and functional form. Made in one material. Barrel: the 13 mm diameter allows the use of an 8 mm spear. Characteristics: Regulator that allow halving the rifle power if necessary. Wide range of sizes from 30 cm to 135 cm. Comes with: steel spear, injector, harpoon, harpoon loader, line, rifle carrying case.