Stainless Steel 6.03mm Inner Barrel for M733/MC51+/M1A1 (300mm)


  • Model: AS4308


  • Airsoft stainless steel 6.03mm Inner Barrel.
  • Essential part for upgrading your airsoft AEG.
  • Stainless steel made tightbore upgrade barrel.
  • 6.03mm precision inner airsoft rifle barrel.
  • Perfect for tighter grouping & more accurate shooting.
  • Increases FPS for higher velocityBuilt for extra power and precision shooting.
  • Length: 300mm (M733/MC51 Long/M1A1/G36K Series) for Tokyo Marui Airsoft AEG.
  • Compatibility: All Marui Compatible AEG that use Standard type AEG Inner Barrels.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.

    NOTE: You can always choose a longer Barrel if you have a extended Outer barrel installed.


  • Color - Silver
  • Material - Stainless steel
  • Weight - 69g
  • Length - 300mm
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    This product was added to our catalog on Monday 29 August, 2011.

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    Disclaimer: All airsoft guns, gas blowback guns, spring guns are NOT real firearms. All airsoft guns sold to US customers are affixed with an orange tip permanently.