Description:
Will fit Tokyo Marui Type 89 AEG
Inner Diameter:6.01mm
Outer Diameter:8.55mm
Material: SUS304
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