03 INNER BARREL
Internal diameter is 6.03mm.
Made of Stainless steel.
Intenal diameter is 6.03 mm. It is more tight than normal inner barrel.
PDI inner barrel is "High Quality".
The tolerance is ±0.002mm
03 inner barrels are producted by using the Cold hammering.
The tolerance is ±0.002mm.Other barrel's tolerance is ±0.02 - 0.04mm.1/1000mm tolerance It is PDI only.
(This tolerance is the highest quality in our industry).
For VSR-10 & L96/ Tokyo Marui