PDI RAVEN 6.01+ Barrel for Marui AEG (690mm)

Description:
Will fit Tokyo Marui AEG
Inner Diameter: 6.01mm
Outer Diameter: 8.55mm
Material: STKM-13C
Tolerance: +-0.007mm

PDI adopts QPQ to give the sear durability, anti-rust, and blacken. Particularly, QPQ's corrosion-resistance, fatigue-endurance, and abrasion- resistance are better than hard chrome plating