Maple Leaf Crazy Jet 6.04 mm precision barrel 550 mm

The barrel groove and hopper window are only compatible with VSR-type hopper rubbers and the standard VSR hopper unit. The barrel does not fit directly into WE gas rifles. The barrel can be made to fit by making a notch in the front locking claw of the hopper unit. Alternatively, the locking claw of the hopper unit can be removed.