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PDI 6.01mm Inner Barrel For WA M4 Series ( 509mm )


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PDI barrels are cold-hammer forged from stainless steel, which is the same process how real rifle barrels are produced. They have a superior tolerance and roundness of the inner surface compared to anything else on the market.
This inner barrel is suitable for the Western Arms M4A1 Series . Made of SUS304 stainless steel, inner diameter is 6.01mm and outer diameter is 8mm.


  • Model: PDI-IB-635884-AG
  • Manufactured by: PDI

This product was added to our catalog on Tuesday 02 September, 2008.