The SMART range from Lambda is the same as PDI raven (without oxyd black finish)
Suitable for AEG & M14
The internal diameter is 6.12mm
The external diameter is 8.55mm
Inner barrel (mm)
Inner Barrel dia (mm)
Lambda is a Japanese company created and managed by a former employee of PDI, lambda offering a range of precision barrels of very high quality. But also other accessories such as high quality parts for Snipe.