Prometheus Wide Use Rotary Style Hop-up Chamber for M4/M16 Airsoft AEGs
Cast metal alloy body
Clip locks barrel into place
Easy to adjust design
Prometheus Perfect Metal Hop Up Chamber NEO Set for Marui M4/M16
A single-piece structured metal chamber stabilizes the muzzle velocity and fits tightly to the barrel base, hence the chamber can always aligns to the center. Please note...