NBU cylinder head for airsoft guns

Brand: GUARDER

Reference:  GUARD402

Brand: EPeS

Reference:  E383-NBU

When it blows where it shouldn't, it's always a problem! EPeS has prepared a set of sealing o-rings precisely customized for repairing or replacing the existing seal. In this case, it's the Spare Thick Sealing Set for AEG Cylinder head (NBU type). No Stress, be EPeS!