5KU CNC Aluminum Chamber For Marui AK Blue

One-Piece CNC Aluminum Hopup Chamber is more durable and accurate in feeding BB

Improves Firmness of the chamber & stabilizes the muzzle velocity

Enhanced Hop-Up Bucking for Accuracy

Also, fit tightly to the barrel base to keep the chamber being centered

Unlike plastic chamber which would bend & de-shape, this metal one give you rigidity

Highly recommend for upgraded Airsoft Electric Gun to withstand higher air pressure

Require expert on installing into stock AEG