This A5 style set include 16.5" (5.5"extension) ,All the barrels are CNC lathed by alloy 6061-T6 , and 4140 Steel (Extension barrel), Bayonet and Sight seat
The extensions tube will fit most airsoft brand which thread are end with airsoft 14mmCCW.
HK416A5 16" Extenstion Pack for VFC (CCW14mm)
SKU: A46
$70.00Price