Complete metal shells for M4 series with KAC E logo&C (NERO)

lower recever – upper receiver – complete shells – selector – outer shells – ar15 – series m4 – v2 – e&c – east crane – Knight Armament – airsoft –

airsoft – core – airsoftgun – software Italy – tactical – military – softairitaly – army – pewpew – guns – softairteam