Saiga 12 is probably the best tactical shotgun i could recommend.
Or you can't beat a good old Remington 870. Unless you want to wait and pick up a Kel-Tec KSG.
Go with the AK. You can't go wrong. Accurate, powerful, and definitely reliable enough for SHTF. You might even want to look into getting a Draco,
which is an "AK pistol". Basically a short barreled AK without the stock.
The SKS is also a great rifle, and more accurate than the AK. The trigger group is a bit complicated, but the weapon is tough as hell. Throw on an
ATI stock and use Tapco 20rd mags, and it makes a very great all purpose rifle. And 7.62x39 ammo is cheap and plentiful. Every wal-mart has it.
edit on 4-6-2011 by deesul69 because: (no reason given)
edit on 4-6-2011 by deesul69 because: (no reason given)