Let's do exactly the opposite of what the politicos think feels good:
1 FREE gun and a box of ammo per month (Let's say a .38 Special revolver) to all American citizens over the age of 21 who have no criminal record and can pass a comprehensive drug test. And if you returned your spent casings along with perforated targets you could get more free ammo.
Yeah, this is unorthodox and yeah it would have it's downside but how would the wackos feel if they were faced with the likelihood that everyone over 21 was armed and proficient with said arms?

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1983 M-B 240D-Gone too.
1976 M-B 300D-Departed.

"Good" is the worst enemy of "Great".