If I were wealthy, I would be looking to see what friendly nation I would set up an alternate residence in.
There are ways to 'go international' that anybody can afford. I did it 10 years ago and it proved to be one of the best moves I ever made. All it takes is a leap of faith.
If I had to pick a country today as a remote safe haven it would be Panama, BTW.
The only con of M4 clones is the anemic 5.56 cartridge, which is so underpowered it is illegal for deer hunting in many states.
Every responsible citizen needs a serious rifle. Do your research carefully. There is much information and disinformation on the net. Talk to people who actually own the weapon you are considering.
I really despise the little black gun, but if that's what trips your trigger, check out a 6.8 Grendel upper.
Friendly country? That depends on where you are geographically located. Canada and Central or South America are good choices. OTOH, you can stick around and battle zombies with the rest of us;)
A STHT varient is the short barreled SOCOM
If you aren't already familiar with it you might like to take a look at the M1A.
Left this off my post “83 -
This Kentucky based dealer has the standard M1A @ $1,270 and free shipping.
http://www.kygunco.com/products2.cfm/id/1942/name/springfield-standard-m1a-7.62mm-walnut-22%22-bbl