This regulator is designed for bottle type cylinder Kral PCPs(like Jumbo, Auto, Nemesis, Space, Knight and similar products). cylindrical shape of the cover of this regulator helps to fit well to the bottle. beside its nice figure, the performance is impressive as the tolerance speed of shots is less than 3 m/s. about 65 regulated shots is delivered in about 40J for a 425cc cylinder. The pressure of the chamber can also be adjusted by an internal screw at any any desired level.
This is the chronography test report of a regulated Kral Jumbo: