It’s not registration to check an individuals competency to use a deadly weapon. Allowing anyone to obtain a weapon is no more logical than allowing a 9yr old to drive a Ferrari.
We require police and military to qualify with their weapons. I see no reason why citizens should not adhere to a minimum standard. “A well regulated militia” implies some level of competency with a firearm.
In an ideal world all men would have to undergo rifle training when they register with selective service (a database).
Allowing anyone to obtain a weapon...