Tactical Life posts that the military is changing to the 6.8 in SAW and M4

[stanc]

This could be the reason.https://www.bitchute.com/video/agWDW2jTsZk/

Yes, I think use of Level IV body armor by the Russian military is probably the primary reason.
Secondary, the possibility of worldwide proliferation of low-cost, commercial armor from China.

[video=youtube;vlvegB2T0AU]https://www.youtube.com/watch?v=vlvegB2T0AU[/video]
https://www.youtube.com/watch?v=vlvegB2T0AU