Anti-icer Nozzle Kit for VFC/Umarex M4 GBB (Adjustment Muzzle Speed)

Brand new design of the position of entering BBs and piston, showing the design concept of Poseidon GBB antifreeze.
Features:

increases the performance and reliability of your VFC GBB
Increases gas efficiency and consistency by up to 40procent 
Performance: 1.1J ~ 1.2J (tested with 0.25g beads at 23 degrees)

Implanted Poseidon patent ice pick: ice-breaker powerful springs let GBB rifle shooting stabilly.Adjustable design: the initial speed can be adjusted arbitrarily, and the way of adjustment is simplified. The initial speed adjustment ratio is nearly 60procent (Valve unlocking and blocking status)With the VFC VMAG high-performance magazine, it will have better anti-freeze performance! Your GBB rifle will also operate normally at low temperatures and low pressures.Combined with the above advantages, players who use Poseidon or VFC GBB can enjoy a more realistic and smooth shooting experience when they playing.
Note: Only available for VFC / UMAREX GBB rifle versions after 2016