Z-Parts 14.5 inch CNC Steel Outer Barrel Set for KWA / KSC M4 GBB

Z-Parts 14.5 inch CNC Steel Outer Barrel Set for KWA / KSC M4 GBB CNC Steel Construction 14mm CCW Counter Closckwise CCW Thread Design For Upgrade the Original Parts More Durable & Realistic Suitable For KWA/ KSC M4 Series Airsoft Gas Blow Back GBB Rifle