Don't buy anything for a while. Let the supply settle down.
If it were me, I would then (not now) get the AK and some ammo, and start saving my money for a Mosin!
And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him. And power was given unto them over the fourth part of the earth, to kill with sword, and with hunger, and with death, and with the beasts of the earth.