This was in the summer of 2022, from Mack's Prairie Wings (https://www.mackspw.com/). It might have even been a sale, but don't remember. They don't have any now.

I tend to be one of those who check on ammo availability and prices frequently, and buy before I need it. (Also have plenty of shotshell handloading stuff, in several gauges, including bismuth shot in various sizes.)

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck