Competition Electronics Replacement Diffuser Pack, Fits ProChrono Chronographs

ProChrono replacement diffuser pack 4 replacement guide wires 2 replacement diffuser hoods Fits all ProChrono chronographs No matter how careful you are, you may have shot the diffuser hoods or guide wires on your ProChrono chronograph. No worries...get this replacement pack, and you're good to go. Use with air guns, firearms and airsoft guns.