This is an SAI licensed GRY, comes with removable jailbreak muzzle that has a screw on mock suppressor flash hider. Inside is a P* Jack with the standard FCU mated with a rotary hopup, madbull bucking and a standard nub, Amped IGL installed. It is set at roughly 320 fps [1.5j] with .32g at 82psi Rifle only - 650 Whole set up(line,reg,tank[48/3000]) - 750