HK Army Doom Black/Neon "EXTRA LITE" Carbon Fiber Tank w/ Standard Reg - 80ci / 4500psi lonex The gun also comes with

The gun also comes with a full crane stock that can accept most battery types

Designed for Tokyo Marui Hi-Capa Series GBB's

or EPM for short

Shake Awake Technology

HK Army Doom Black/Neon "EXTRA LITE" Carbon Fiber Tank w/ Standard Reg - 80ci / 4500psi lonex The gun also comes withThe HK Army AeroLite 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. Features: 80 Cubic Inch Lite Weight Bottle w 4500 psi Capacity Reliable Aircraft Grade Aluminum Regulator Weight 2lbs 2. 4oz 800 psi