HK Army HSTL Carbon Fiber Tank w/ Standard Reg - 68ci / 4500psi (Black) EPM1RX The MS4 maintains material construction

The MS4 maintains material construction and specifications identical to that of the standard MS3

Disclaimer: Due to the internal tolerances of these hop up units

the GBBR is not only directly put into the new design "Non-cut lever" Steel Hammer Set

Foam Tip (Yellow)

its small profile allows it to be proficient with CQB

HK Army HSTL Carbon Fiber Tank w/ Standard Reg - 68ci / 4500psi (Black) EPM1RX The MS4 maintains material constructionThe 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