When Hitler first came to power he created a gun registry then followed up by gun confiscation
The 1968 Gun Control Law was based on the Nazi Weapons Act of 1938. Thomas J Dodd, who wrote the law had a personal copy of the Nazi law.
http://jpfo.org/filegen-a-m/GCA_68.htm
http://www.rense.com/politics4/guncontrol.htm