G&P M16 Metal Hop-Up Unit for Marui M4 / M16A2 AEG
G&P ADVANCE SERIES Airsoft Upgrade Parts
This One-Piece Metal Chamber Set 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 stock 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
Includes all parts needed for installation
Require expert on installing into stock AEG
As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed