I'm impressed. They already shipped my order.I was searching on Google because I was looking to buy a few extra magazines. Found this forum and Y'all got me nervous with this thread.
Dance's Sporting Goods has the 25 round magazines in stock for $24.99
Smith & Wesson M&P 15-22 Magazine - 22 LR - 25 Round
I called them up to make sure they were in stock before ordering on their website. They said they have plenty in stock (I ordered 5). Free shipping on orders over $100 and 10% discount on your first order.