cause not going to be out and about in daylight. soft armor, NVD goggles, and day glo paint on the sights make all the difference. cut the barrel to 7", to keep regular .22lr ammo subsonic, Install a telescoping stock, so that you can conceal the package under a jacket, on a sling under your arm.
There will be M4's and 223 ammo to pick up later (from the dead). So maybe cache the .22 conversion unit for it, and a suppressor-kit. IF, and it's a BIG "if", you make it to the one year point, 90-99% of the population will be dead, making it much safer for you to go scrounge what you need. Then the AP, range and power of the AR might matter, cause you'll probably need to be out in daylight at least some of the time.
There will be M4's and 223 ammo to pick up later (from the dead). So maybe cache the .22 conversion unit for it, and a suppressor-kit. IF, and it's a BIG "if", you make it to the one year point, 90-99% of the population will be dead, making it much safer for you to go scrounge what you need. Then the AP, range and power of the AR might matter, cause you'll probably need to be out in daylight at least some of the time.