That is defeatist thinking.
They should do no buying.
The federal governments job is manage finances to provide for the well being and defense of the American people.
Every gun law, no matter how innocuous, violates your unalienable RIGHT, not privilege, RIGHT, to keep and bear arms, without infringement, as is constitutionally recognized.
The 2nd amendment does not give you the right, it acknowledges every individual possesses that right by virtue of his existence.
It would be "unlawful" and "fascist" to legislate amending the constitution that seeks to remove an irrevocable right.
The government cannot vacate human rights.
It can only ignore them and subject them to authoritarian governance.
You cannot take what is not yours to take without permission from the individual or through theft.