 The way that it's set up, you put this in a bolt gun, and you put a can on it. We had one at SHOT Show. The 8.6 Blackout, you know, Ballistic Advantage is making the barrels work. It's actually a one and three twist, if you can think about how fast that thing is spinning inside of that barrel. But it really just makes for a really cool, very quiet, a lot of people are running them with,