HK Army HSTL Carbon Fiber Tank w/ Standard Reg - 68ci / 4500psi (Black) BCA It reaches nearly 290fps with

It reaches nearly 290fps with HFC22 gas (Prolonged use is NOT recommend)

Weight: 23g

Velcro straps for patches

so it's perfect for carbines

HK Army HSTL Carbon Fiber Tank w/ Standard Reg - 68ci / 4500psi (Black) BCA It reaches nearly 290fps withThe 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 HSTL Air system includes a 5 year hydro cycle and is available in many color options. Features: 68 Cubic Inch Lite Weight Bottle w 4500 psi Capacity Reliable Aircraft Grade Aluminum Regulator Weight 2lbs 2oz with Standard