Gas Outer Barrels

GK Tactical

GK Tactical 14mm CW to 14mm CCW Barrel Thread Adapter

Revanchist

Revanchist Airsoft Tokyo Marui MWS 6.5 inch Aluminium Outer Barrel Set - Black

Lambda

Lambda GHM9 STD Rail Kit Outer Barrel - Black

Lambda

Lambda GHM9 Alloy Short Barrel - Black

Oper8

HPA-UK CCW Lightweight Barrel Extensions

5KU

5KU Tokyo Marui MWS GBBR Outer Barrel - 14mm CCW (Requires AEG Barrel Nut)

ZCI

ZCI GBB and AEG Outer Barrel Set with Various Extensions