LayLax Prometheus x G&G EG Tight Bore 128mm AEG Inner Barrel (ARP 9 & ARP 556)

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Upgrade your AEG with this tight bore inner barrel specially designed for G&G Armament ARP series airsoft rifles, and other AEGS with a similar inner barrel length. The 6.03mm inner diameter prevents the BB from moving around excessively within the barrel, while providing improved range and accuracy. Constructed fully from stainless steel this inner barrel is ready to withstand the hardships of airsoft warfare, while remaining lightweight.


  • Compatibility: G&G Armament ARP 9 & ARP 556 AEG / Other AEG
  • Color: Silver
  • Length: 128mm
  • Compatible with Outer Barrel Diameter 8.6mm - 9.2mm
  • Stainless Steel Construction
  • Precision 6.03mm Inner Diameter
  • Internally Polished w/ Precision Crown
  • Provides Improved Range and Accuracy
  • Keeps BB Stable



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