PDI’s 15 inner barrel with a loose 6.15 mm inner diameter. Although acuracy is increased, there is a high possibility that the initial speed will decrease. This barrel is suitable for indoor use and when you want to lower the initial speed compared to the normal barrel and to improve accuracy. Ideal for HPA system !
- Outer Diameter:8.55mm
- Inner Diameter:6.15mm
- Tolerance:±0.002mm
- Material:SUS304


