5KU 101x17mm outer barrel extension 5KU-383 is a durable metal airsoft upgrade part used to...
5KU aluminium external barrel 12.5” for M4/M16 black is a lightweight airsoft upgrade part...
BO Manufacture AAP-01 CNC Outer Barrel Type C – Tan, precision upgrade for enhanced performance...
BO Manufacture CNC External Barrel Type C – Grey, precision upgrade for AAP-01 with durable CNC...