Saab Bofors Dynamics CBJ-MS
The Saab Bofors Dynamics CBJ-MS is a personal defense weapon/submachine gun designed and manufactured by Swedish weapon developer CBJ Tech AB, and was also manufactured by Saab Bofors Dynamics. It can be chambered for both 6.5×25mm CBJ and 9×19mm Parabellum cartridges via simple barrel changes.
Source: Wikipedia — Saab Bofors Dynamics CBJ-MS (CC BY-SA 4.0)