Technical Data Reference 111.17.019 111.17.020 Caliber (mm (inch)) 4,5 (.177) 5,5 (.22) Weight (Kg) 3,1 3,1 Barrel length (mm) 484 484 Total length (mm) 1.170 1.170 Speed (m/s) 330 275 Energy (J) * 24 24