One thing I like to do to test a theory is to take things to extremes or to their logical conclusion to see if the premises still hold. Very often, a claim that seems to make sense at a superficial level falls apart when you start to stretch it a little.
So let's play a game.
Suppose the 2nd amendment is valid, that some "well regulated militia" really is necessary to hold the government to account.
Obviously when this was drafted the government had access to the weapons of it's day which would be muskets! So muskets all round. After all, it would be crazy to suggest that the government would be intimidated by a bunch of yahoos with slingshots right? That kind of makes sense - it was drafted when the difference between a very remote imperial force and a citizenry wasn't that great.
Fast forward some years and, well, a musket wouldn't even get you through a hold up at a 7/11 convenience store. They would laugh and not even given you a scratch card. You need to be packing some serious heat, especially if you are going up against the government.
So what? 9mm glock? Not enough stopping power. We're talking AR15's assault riffles for everyone, some serious heat and a serious force that can take on the oppressive government. Oh yeah, Oregon. I guess having a few guns isn't enough because they have guns too and have way more training. Maybe if we had enough people and enough guns - would that be enough?
what? drones? DRONES? How are we supposed to fight drones?!?!
(it's already falling apart, but let's carry on for a laugh)
OK, rocket launchers and missiles. Ha, now we can kick some government ass right! Yeah, that's the ticket.
Eyes-IS-what-now? They have RPGs and still get wallopped by the US government? Oh yeah, I guess there's the air-force and all that. But we were PROMISED that we could have weapons needed to stand up to that government!
Ok, ok, I have the solution and it's 100% completely legit, fully compatible with the constitution.
I order me an aircraft carrier. Boom. Ain't no government gonna mess with me now bitch. They'll think twice before messing with any us on our little "yacht".
But where do I get one from? Oh, did I not mention I'm Chinese American? I get my Uncle to park one off the coast ... but it's mine technically. It's my god damn constitutional right. Are all you 2nd amendment defending red-necks OK with that? A full on invasion force in your back yard?
Tell me again where the 2nd amendment stops because if it's valid, it makes no sense for it to stop - to defend yourself against the largest military industrial complex the world has ever known is impossible through arms whatever arms you have, even those of a huge foreign power (and if they want to 'lend' them to me, why should anyone be able to deny me MY 2ND AMENDMENT RIGHTS).
The only way to really protect yourself against the government abusing it's power is to defend and strengthen the institutions of democracy and that doesn't involve waving guns around. It means paying some attention and not voting for utter fuckwits.
A few yahoos with pistols and riffles thinking they are some kind of freedom force? Laughable. Oregon showed what happens to them.
Now, tell me again how you need your guns and the lame reasons you think justify them.