PDI 6.01 Precision 7" Inner Barrel for Marui Hi-Capa 5.1 GBB

PDI 6.01 Precision 7" Inner Barrel for Marui Hi-Capa 5.1 GBB Stainless Steel Tightbore Upgrade Barrel For Tokyo Marui Hi-Capa 5.1 Series Airsoft Gas Blow Back GBB Pistol Internal diameter 6.01mm built for precision shooting For custom upgrade user, you can choose a longer barrel Genuine Products by PDI Advance Technology forming by Cold Forging on Stainless Steel result in tolerance no more than NOTE: You can always choose a longer Barrel if you have a extended Outer barrel installed