Miller's bill would give them half a year to do so and allow them to escape any criminal liability they might now face if they had not registered these weapons.

To qualify for this amnesty, firearms must have been acquired before October 31, 1968. That is only part-way through the Vietnam War, which ended for the United States in 1973. The bill says the U.S. Attorney General must accept as true any affidavit or other evidence demonstrating that a firearm qualifies.

A House aide said it was common practice for veterans in that era to mail weapons home in pieces after they were bought or captured. The registration of these weapons would be recorded in the National Firearms Registration and Transfer Record.