65G and Future Urban Warfare

[stanc]

https://www.wearethemighty.com/articles/...e-numbered

It wouldn't surprise me if they were wrong on that, I couldn't find much on it myself. That is where I read it though.

As the dimensioned drawing shows, they're clearly wrong about the .264 USA.

However, a few years ago the AMU was reportedly also developing a smaller 6.5mm round that would fit existing 5.56mm weapons. IIRC, it was said to use a shortened 6.8 SPC case.