PDI 6.03 Inner Barrel 370mm for Marui M4 MWS GBB

Description:

■Total length: 370mm
■Compatible models:
　#Tokyo Marui M4A1 MWS LONG (GBB)
■Outer diameter: 8.55mm
■Inner diameter: 6.03mm
■Tolerance: ±0.002mm
■Material: SUS304