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Model Number: SDJA58

Are you looking to upgrade your Airsoft Guns inner and oter barrel? Then you need to look at the JBU Airsoft 6.01mm Tightbore Barrel 363mm M4, MIL4, M4A1! This airsoft accessory is perfect for any one who is looking to replace or upgrade the Barrel on their Airsoft Gun. This allows for increased accuracy and velocity by 5-10% and giving your gun more range. So what are you waiting for? Hurry and get the JBU Airsoft 6.01mm Tightbore Barrel 363mm M4, MIL4, M4A1 today!


  • 6.01mm Precision Tightbore
  • Length: 363mm
  • Dia.: 6.01mm
  • Fit to: M4, MIL4, M4A1 Series


  • JBU Airsoft 6.01mm Tightbore Barrel 363mm M4, MIL4, M4A1

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