HK Army HSTL Carbon Fiber Tank 68ci / 4500psi Purple
HK Army HSTL Carbon Fiber Tank – 68ci / 4500psi – Purple. The HK Army HSTL Air System has been developed with performance and affordability in mind. The comprehensive system pairs a lite-weight carbon fiber bottle and a reliable aluminum regulator with an output pressure of 800 psi. The AeroLite system includes a 5-year hydro cycle and is available in many color options.