New 6.03mm precision barrel for PTW M4 from Balystik. Exclusive slippery & hard coating used in aeronautics. New improved design of the base, the rubber is in contact with the inner barrel, no air escaping & better stability of the rubber wich can not move laterally. DBS (depression barrel system) : Air pressure escape between outer & inner barrel before the BB exits.
|Inner barrel (mm)||380|
|Inner Barrel dia (mm)||6.03|