LOL, now I leap to the other side of the argument... the comeback:
"Renewing an already existing gun ban won't kill us, since the previous 10 years didn't."
But you say, "Ah! This WILL cost lives in the future, just look at every other gun-banning example".
And their retort to our sunset-the-ban-or-let-GWB-lose stand, of course, is "Ah! But that WILL cost lives in the future, just look at every other nation that drove Left over time."
What a great Hobson's Choice we have. Pick your poison, folks! It's one heck of an indicator of how successful the Left has been for decades, and what an uphill battle we face.