Raven (PDI) 01 Inner Barrel (Tokyo Marui 17 GBB / 97mm)

Raven (PDI) 01 Inner Barrel (Tokyo Marui 17 GBB / 97mm) Internal diameter 6.01mm built for precision shooting Genuine Products by PDI. Made in Japan. (STKM13C) Steel Tightbore Upgrade Barrel Advance Technology forming by Cold Forging on Stainless Steel result in tolerance no more than Suitable For Tokyo Marui 17 Seris Airsoft Gas Blow Back GBB Pistol