Mostly resolved using heavier bullet weights. There are a bunch of different bullets out there (MK262 is the standard as I recall), and I think the 6.5/6.8 are

Mostly resolved using heavier bullet weights. There are a bunch of different bullets out there (MK262 is the standard as I recall), and I think the 6.5/6.8 are unlikely to be adopted as supply chain logistics says to remain with 5.56.