Today I read a media report that indicates that the Army has chosen a new M4, M-16 and SAW, all in 6.8mm. If the info I have seen is correct the weapons will begin being produced in about 1 year, so probably later still before they are actually deployed in significant numbers. I recall the IWBA working with a 6.8 SPC round that was being tested and developed years ago, and DocGKR was pretty much right in the middle of that effort, IIRC. The basic idea is that this caliber/bullet style/weight would be better than the 5.56x45mm in range, penetration, wounding effect, etc.; while being much more controllable than the 7.62x51mm, and still be able to be deployed in an M4-sized rifle. Additionally, the 6.8 is thought to be better ballistically overall than the 7.62x39mm round which can also be deployed in an M4-sized rifle. I will stop now before I say something incorrect, since this is topic others probably know a lot more about than I do. This may just now be unfolding before us. My main goal here today was to start a conversation and see if we can all find out more about all of this.