https://www.nosler.com/blog/news-and-articles/2017/1/15/nosler-delivers-faster-cartridge-for-the-ar-15the-22-nosler
Ok, so I had no idea this even existed until Midway's morning sale email showed up. Apparently this is a modified 6.8 SPC cartridge necked down to .22 caliber.
The link above...