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gringogigante wrote:You can use the sam emags in a pinch, but my 5.56 mags would shoot a couple 6.8 then have feeding issues. It turns out that the lip needs to be spread out a bit. But there's no point in that since there are plenty of 6.8 mags available almost anywhere.

Correct.

6.8 mags are proprietary in the sense that most use a slightly different follower and the mag is "tweaked" a bit to aid in bullet stacking and feed. However, a standard mag can be pressed into service if the shooter can afford to risk some FTF's.

Its a great round for close to medium range defense and hunting.

rokclimbertx wrote:just curious...

is a 6.8 upper compatible with a 5.56 lower? and what about mags?

Yes, 6.8 and normal .223/5.56 lower are compatible (as are many other variants). Mags are proprietary.

The 6.8 has undergone alot of development over the last 18 months. It has a very solid following...and is here to stay.

I barley notice the difference in recoil between it and the 5.56 (a tad sharper..but not much unless you put some really hot loads through it).

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