This steel extended outer barrel is made by precision CNC machines. It fits Glock 17gen4. The barrel tip end has 3-cut flash hider fitting. A 138mm length 6.03mm inner barrel is included. It is specially made for professional shooter and competition needs because it:
1) increases the shooting accuracy;
2) improves the smoothness of blow-back movement of slide;
3) has outstanding durability and reliability.
All products are made for airsoft only. They are not made for real steel firearms.
