da Vinci Airsoft have some new GBB inner barrels on their website:
Dear Sir
We updated our website ,added 2 categories.
“RAIZEN 01″&”03 GUREN 2”
![](https://i0.wp.com/arniesairsoft.co.uk/news2/wp-content/uploads/2021/10/aaigpjodbgfcnaca.jpg?resize=380%2C380&ssl=1)
RAIZEN is made of Stainless steel ,inner Dia. 6.01mm
https://davinci-airsoft.com/product/01-raizen-gbb-inner-barrel/
![](https://i0.wp.com/arniesairsoft.co.uk/news2/wp-content/uploads/2021/10/bnbgbmbipagnjkgb.jpg?resize=380%2C380&ssl=1)
GUREN is made of steel and processed HV500 coating,inner Dia. 6.03mm
https://davinci-airsoft.com/product/03-guren-2-gbb-inner-barrel/Both categories are added GBB inner barrels.
Please check them.Thanks
Tomo
da Vinci Airsoft