This is the most hideous looking thing I've ever seen.
It's a 9mm integral suppressor. It's called progress, and it's bad ass.
And since this is a pic thread, here's some more pics/videos of this hideous monstrosity.
http://soldiersystems.net/2016/01/19/shot-show-industry-day-at-the-range-silencerco-maxim-9/