TOKYO MARUI REAL GAS BLOWBACK M4A1 MWS CUSTOM CHAMBER
●Stable HOP UP and great for long range!
●For keeping secure position of the hop tensioner!
●Designed for GBB M4 series!
This custom chamber is compatible for Tokyo Marui Gas Blowback M4 series!
The “elevating unit” on the HOP arm will keep secure position of the hop tensioner so the hop-up will be stable.