There are two clips for the weapon that can be mounted to suit nearly any application.
Also Hook and Loop kits to add other weapon systems as per your whims:
These days, if there’s a sensible spot to mount a weapon on your model, you can put one there. Just make sure you make an attempt at some sort of mount, even if it’s just two thin strips of black tape to replicate the Hook and Loop.
And yes, before anyone else asks, that is indeed my famous Mary Jane cammo on my weapon.