IANAL and the statement below is not legal advise.
NRS 202.3653 Definitions. As used in NRS 202.3653 to 202.369, inclusive, unless the context otherwise requires:
1. “Concealed firearm” means a loaded or unloaded handgun which is carried upon a person in such a manner as not to be discernible by ordinary observation.
That is all there is. "[D]iscernible by ordinary observation," means just that. No matter how you carry it, loaded, unloaded, cocked, upside down; no matter how, if it is a handgun and it is concealed you are a felon. If it is "discernible by ordinary observation," to be a handgun you are not committing an offense.