I have most everything that has been mentioned previously with the addition of:

Portable water filter
spare AR15 mags
.22LR conversion unit
Camp axe
sleeping bag
tarp and stakes
Primus pot
1 gal freezer bags

For fire starting I have 2 bics and matches, because I don't believe in overworking in an emergency. But, because of the reasons stated, I do carry a fire steel.

I have a shortwave receiver but don't currently have it in my bag. If the situation is bad enough to bug out then information along the way should a priority. Most bug out situations will not be permanent so news to when things start to get back to normal.