"But the crime that might be punished is not the act of domestic violence, or the prior act resulting in the felony conviction, or the renunciation of citizenship. It's the possession of a gun by such a person. "
So to remain legal you must forego your right to arms which is a punishment in and of itself. If you possess a firearm, you will be punished. Yes, there will be charges, trial and even more punishment meted out but the restriction of rights is a punishment.
Gun Control: The premise that a woman found in an alley, raped and strangled with her own pantyhose, is morally superior to allowing that same woman to defend her life with a firearm.
"Science is built up with facts, as a house is with stones. But a collection of facts is no more a science than a heap of stones is a house." - Jules Henri Poincare
"Three thousand people died on Sept. 11 because eight pilots were killed"
-- former Northwest Airlines pilot Stephen Luckey