Z-Parts 14.5 inch M4A1 Style Steel Outer Barrel Set for Tokyo Marui M4 MWS GBB Airsoft Guns

Z-Parts 14.5 inch M4A1 Style Steel Outer Barrel Set for Tokyo Marui M4 MWS GBB Airsoft Guns CNC Steel Construction Airsoft Outer Barrel Design For Replace the Original Parts 14mm CCW Thread Suitable For Tokyo Marui M4 MWS Series Gas Blow Back GBB Rifle Airsoft Guns