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Yes, the ammo situation is a bummer, especially for new shooters. If you have a local Walmart that sells ammo, you might try there late in the evening (if you're a night owl) or first thing in the morning (if you're an early bird). They get the new shipments out on the floor sometime around 11 PM to midnight, and if any decent ammo comes in, it goes out rather quickly. Some/most days there will be nothing, or nothing you need, but other times, you might get lucky. I found some .22 ammo just last night, along with a box of .40 for my Glocks. A week ago, I picked up several boxes of 9mm. So, they are getting stuff, but sometimes all of it is gone before many folks get to the store, so they assume nothing is coming in at all.
"Placement is power" -- seen in an article by Stephen A. Camp
(RIP, Mr. Camp; you will be remembered, and missed)