Also, now I have to start shopping for 357sig ammunition, which also seems to be in limited supply. I love a challenge.....
As I recall now, I had to order my Storm Lake barrels directly from them because EVERYONE was always out or them. $15 more but...
http://www.storm-lake.com/products/barrel/builder/GL#top
I had to call them and wait but I got them sooner than if I ordered from Midway USA or whomever.