C'mon, guys, let's hear a SOLUTION.
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The reasons no one ever strutted into Miss Kitty's Bar in Dodge City on Gunsmoke and shot up all the gamblers, ladies of the evening, bartenders and the piano player were as follows:
(1) Marshall Dillon made the cowboys fresh off the trail hand over their firearms to him and Festus before they were permitted to carouse.
(2) No one had the technology to manufacture semi-automatic assault weapons fitted with huge ammo clips back in the 1880's.
Here is why Marshall Dillon's plan would not work now:
(1) The Gun Lobby gives so much money to the NRA and Congress that gun laws restricting assault weapons and huge clips and ammo be made available for purchase by any gun nut in the nation, be they Muslim, Christian, Jew, Atheist or Follower of his Noodliness, the Flying Spaghetti Monster.
(2) taking away them cowpoke's guns would clearly be a violation of the Second Amendment rights of binging cowpokes. Festus and the Marshall would be ordered to stop taking them cowpoke's guns and ammo.
The upshot is that We the People are less safe from gun nuts than the citizens of Dodge in 1886.