PDI 01 6.01mm Precision Barrel for Marui Hi-Capa 5.1 Airsoft GBB (138mm) Net-Weight-(g)_2914 Low-profile design allowing co-witness with

Low-profile design allowing co-witness with most micro dot sights

Manually wind up BB Bullet

Design For Hold 1x 40mm MOSCART Grenades

Shower (8mm)

PDI 01 6.01mm Precision Barrel for Marui Hi-Capa 5.1 Airsoft GBB (138mm) Net-Weight-(g)_2914 Low-profile design allowing co-witness withPDI 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 01 6. 01mm Precision Barrel for Marui Hi Capa 5. 1 Airsoft GBB (138mm) Stainless Steel Tightbore Upgrade Barrel Internal diameter 6. 01mm built for precision shooting Genuine Products by PDI Advance Technology forming by