ACETECH AIRSOFT CHRONOGRAPH AC5000 CHRONO BB FEET PER SECOND & AIR RIFLE
AC5000 is an airsoft chronograph with high quality and accuracy. THE CHRONOGRAPH MUST BE LEVEL WHEN BEING USED. Large caliber for 24mm, suitable for different BB Spec. 4.5mm, 6mm, 9mm, 18mm. Idling and low battery auto power off function.