The link in Q’s recent drop mentions Citibank and Bank of America.
More than one way to skin a cat. If they can’t get rid of the 2cnd amendment, they’ll try something else.
Remember that there is a push to do away with cash - several countries have outlawed so called “black money” ie cash in larger denominations.
Crypto or Charge cards, which can be monitored and purchase denied.
Look for them to also impose “sin” taxes - making guns and ammos to costly for average people. My dad had the equipment to make his own ammo. Good item to look into and good skill to have.