You individually decide whether or not you are willing to take up arms "for defense of the country, the overthrow of tyranny or private self-defense." Carry a concealed weapon in violation of state law and land in the pokey, per Dead Corpse's beloved Nunn decision.
Which violates our RKBA, an individual Right the Founders made special protections for.
This violates Title 18 Sect 242 on the part of the State officials enforcing these laws.