Description
  • For VFC & GHK M4 / AR GBB
  • For Maple Leaf GBB-spec/Crazy Jet Inner barrel.
  • Dual adjustable system, user can adjust the hop from the factory outter barrel.
  • Or adjust the fix screw on the chamber with M2 allen key (just like WE / VFC GBB series).
  • The hop chamber also fit with some VFC M4/AR15 GBB series.
  • Recommend using "Super" & "Wonder" GBB Hop rubber in this hop chamber without modification.
  • Other GBB hop bucking that NEEDS to cut off the positioning lug on the side to fit into the chamber.