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.

PDI Palsonite 01 Inner Barrel for Marui P226 (Black)
Internal diameter 6.01mm built for precision shooting
Genuine Products by PDI
Suitable for Tokyo Marui P226 Series Airsoft Gas Blow Black GBB Pistol
Choose this barrel to suit your Airsoft model
Perfect for tighter grouping & more accurate shooting

Inner Diameter : 6.01mm