That was after all the point of NFC. Pretty much any pistol with normal holster and mag pouch rules.
Open gun, yup.
Optics, yup.
Limited, yup.
BUG, yup.
Broom handled mauser, yup.
Luger, yup.
22/45, yup.
What is it about this division that is not inclusive?
Where else can you do this?