I look for these at every gun show I attend. Found my first 3 boxes in 2012. Then 2 more in 2018. Lucked out last Saturday and found 2 more full boxes at a gun show that I debated about going to as it was over 2 hours away. Glad I went now. These were manufactured IIRC from about 1992 to 1997. This stuff is really scarce and hard to find. It took me over ten years to find what I have. Really NASTY stuff though. Patterns are flat out AWESOME in my Rem. 870SM with Remington's own factory(.655) Ventilator tube.
I know some of you fellows on here have used these shot shells in the past. Any good stories to tell using them? I believe Ray Eye may have been responsible for increasing their popularity as I know he used them at one time.