08-25-2023, 06:19 PM
LRRPF52 Wrote:That was called the .264 USA:
Pretty cool, If indeed we could design the AR15 platform to reliably function at 65K the Grendel would be fine. That would still require a bolt designed for the .441 head diameter and that would mean the barrel extension would also have to be a bit heavier. Is a pound all that horrible?


![[Image: ?u=http%3A%2F%2Fwww.thefirearmblog.com%2...ipo=images]](https://external-content.duckduckgo.com/iu/?u=http%3A%2F%2Fwww.thefirearmblog.com%2Fblog%2Fwp-content%2Fuploads%2F2018%2F01%2F4ZXao9c.png&f=1&nofb=1&ipt=ca127984db13fadb4ee8f01746af71a9b36683e4102a5af3f8fdf94b960a760a&ipo=images)