Sounds like a great improvement. Some sort of composite material used for the shell casing, lightens the cartridge by 30% according to their claims. And the 6.8 cartridge gives way more power and effective range than the 5.56 rounds. They have made simple mods like a barrel swap to existing...

Has anyone heard about this, I think this has been discussed on this forums before but is the US Military serious this time? :D: https://www.armytimes.com/news/your-army/2018/10/05/the-armys-saw-and-m4-replacements-will-both-fire-this-more-accurate-and-deadly-round/...

Any reviews on Stag Arms AR-15's? I am initially pleased that they seem to cater to us leftys, at least more than most manufacturers...and that being said, what is the boards opinion about the 6.8mm option rather than the .223? I have searched over and over again here for "6.8mm" and get a...