I read about this too. I guess it's about the same as the +P ammo for handguns. The case takes all the pressure, my thinking, that pressure has to go somewhere. This is supposedly making the 6.5 creed equal to a little better than the 6.5 prc. So, are they admitting defeat on the 6.5? It isn't all that they are making out? Come on, just pulling some of your chains. Lighten up before you tear into me on this. What I was reading about the new cases, they are going to be very hard for reloaders to reuse them. You cannot annul them, they are going to have to buy new dies.

It's almost like Federal is trying to get guys that don't reload into the pressures that reloaders have been reaching for in their quests.

On the 5.56, yep, making the components tougher will certainly help the added pressures. I didn't read anything about this when parts of the military was choosing it's next rifle.

“If you do not conquer self, you will be conquered by self.” Napoleon Hill
The most difficult thing to understand during conversation is silence. Thoreau