Online ammo/gun stores.

[Sionadi]

What are some good online stores to purchase ammo and firearms?

Also what are some good makers for self defense 9mm and .45 acp ammo?

[caldude]

I usually visit gun-deals.com first to find out where the ammo deals are (http://gun-deals.com/ammo).

That said, I usually buy from whoever has the best price and/or what I want in stock. I've bought from:
-Cabelas
-AIM Surplus
-J&G Sales
-Ammunition to Go
-Natchez
-USA Ammo
plus many others.

[Grakken]

+1 for AIM
+.5 for Outdoor Marksman

I also buy from Bass Pro (Good 9mm-UMC Deal)

Cabelas has decent 22LR prices (bulk-plinking)

If you find a free shipping code, all the better.

[mjsweims]

Try looking at ammospy.com . They show pricing from many online stores.

[CaliforniaLiberal]

Ammoman
Bud's Gun Shop
Natchez Shooter Supplies
Graf and Sons
Miwall (only at the finer gun shows)
RedLine Ballistics (at all the gun shows)
Scheels (when you can get to Reno)
Fulton Armory
AIM Surplus
Palmetto State Armory

Cabelas and Midway when you have a coupon

Too many to list. Just keep looking.