139. Dynamic Power Wheel Allen Screw

| Part no. | 139 |
|---|---|
| Model | Huben K1 |
| Group | Power adjustment |
| Size / spec | M4x10 |
| In diagram | Diagram 8 |

This site is a Huben air rifle information resource. It is not suitable for use by anyone under 18.

| Part no. | 139 |
|---|---|
| Model | Huben K1 |
| Group | Power adjustment |
| Size / spec | M4x10 |
| In diagram | Diagram 8 |