MAXX CNC Aluminum Hopup Chamber EVO MOSFET Pressure Rating: 3

Pressure Rating: 3

A great and economical upgrade for G17 pistols

As the name suggests

Special features on this gun include a slightly longer slide

and side plate compatible

MAXX CNC Aluminum Hopup Chamber EVO MOSFET Pressure Rating: 3CNC Aluminum Hopup Chamber EVO unit is precisely machined to perform accurately and consistently on the ASG 2018 CZ Scorpion EVO 3 Airsoft Rifles. The Hopup Chamber EVO unit is built with a Precision Aluminum Rotary Dial Knob for fine hopup adjustments and equipped with 4mm Flat Soft Bucking Nub (6mm Bucking Nub is optional) to perform best with R Hop and Standard Hop to keep the BB shooting accurately and consistently on every single shot. The Hopup