Maple Leaf Airsoft CNC Aluminum Hop Up Chamber Set for VFC & GHK M4 / AR GBB

Feature：

●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.

●Please follow the instruction pics to install.

●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.