The name probably explains what this is? This would be in no way at all practical, but I think it looks cool.
The model has bones and can be posed.
A closer look at the gun portion of the model. Notice the notch coning from the sheath that pushes the weapon’s safety. This is to help the user not accidentally shoot themselves in the leg.
A look at the other side.
A look at the sword unsheathed.
A closer look at the absurdly long magazine the weapon takes.
And as if containing a gun wasn’t excessive enough, the sword has a dagger tied to the sheath.