PDI 04 Inner Barrel (374mm) for Systema PTW

PDI 04 Inner Barrel (374mm) for Systema PTW Internal diameter 6.04mm built for precision shooting 10 mm outer diameter Tolerance +/- 0.002mm as same as PDI 01 barrel Genuine Products by PDI Stainless Steel Tightbore Upgrade Barrel Advance Technology forming by Cold Forging on Stainless Steel result in tolerance no more than Suitable For Systema PTW Series Airsoft Gas Blow Back GBB Pistol