PDI 6.05mm Inner Barrel 430 mm BRIDGED (Pro-length)
PDI - 6.05mm Inner Barrel (430mm) BRIDGED (Pro Length) For VSR-10 Bolt Action Rifle Series
The PDI 6.05mm barrels are made of cold hammer forged steel. The accurate tolerance of any barrel is ±0.002mm. This however means these are very expensive to produce and thus have a high price tag. The 6.05 is considered PDI's PRO line.