Featuring Myth G2 Regulator DOT/TC Approved 5 Year Hydro Test Most Compact Lowest Profile Lightest Weight 1200 Shot Count *varies by gun Volume: 68cu in / 1.11 liter Cylinder + regulator weight: 2.16lb / 0.98kg Service pressure: 4500 psi / 310 Bar Length: 9.25 in. including regulator Diameter: 4.42 in. Output Pressure - 800-850psi*