Features: Octagon shape on edge of shaft screw help to tighten or loose the shaft more easily than common one. Extra twin strengthen line moulded at the end of screw ,holds the shaft more incredibly tight to the barrel,even in each shoot.
Set include 4 pcs TERO shafts.
Size: S,M,L available.combine with TERO AK4 ,measured from the edge of the screw to the joint between the flight and shaft. Weight : TERO AK4 flight,0.8g/pc ,TERO AK7 shaft,0.8/pc, combo weight,1.6g
Display in CUESOUL gift bag .
This set fit for AK4