Our custom GBB 6.03mm inner barrel created with a high quality stainless steel. We contracted out the production to a CNC factory that specialises in high-end metalwork, this is very apparent from looking at the outside of the barrel. For the inner surface they suggested a finely uniformed surface that distributes the air and helps to create a cushion surrounding the BB on all sides helping to control the spin.
- Enlarged hop window (7mm long and 5.3mm wide)
- End stabalising groove
- A deeper crown
