If you don’t need low pressure give Boss Shotshells a call. Sometimes they have stuff that the website doesn’t show.
They DO have low pressure loads, Michael. They're just not advertised on the website. I called them back in January and asked about their low pressure loads (loaded without a plastic shot cup, but with fiber wads), got the answers I needed, ordered a bulk box of 200, and received them two days later. Amazing. Patterned them in my SuperFox and will be using them heartily come duck season.