I've got 11 guns, with ammo and mags for each. That means I can arm 10 other people.
It doesn't matter that not everyone owns a gun. Enough of us do such that we can ensure those that want to fight will not do so unarmed.
I think the most recent number I saw was 310+ million guns in the US and it's growing faster than the population each year. The US has 50% of the firearms in the world.
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CA, MA, NJ, NY - take your pick.
Hey, don't forget Illinois and CT, they are sh!tholes of the highest order too.