So, these darts appear to have the foam bodies of our regular darts and appear to have heads with corkscrew-like grooves cut in them, perhaps to induce some "rifling" effect on the darts. However, they also have a flat head that covers those grooves, so whether or not they are actually more accurate remains to be seen.
This is a screenshot of a video, unfortunately; It was hard enough finding that, but the design of the darts can be seen here. So, your thoughts on these darts? Personally they look to me like the new heads will not affect accuracy at all (or will make it worse) and it'll have worse ballistics than FJV's, and I'll stick to my FJV's, thank you very much.