Originally Posted by threejones
Does anyone other than Alexander make an upper in the grendel?
Les Baer makes a .264 LB upper that is guaranteed to shoot .5 moa or better. I haven't tried it, but I've read that the catridges (6.5 grendel and 264 LB) are the same, but the chambers are cut a little different.
I mention it because I think it is worth looking into if you are thinking about going the grendel route, however I haven't looked any further into it and don't intend to unless I get the urge for another AR project.
Les Baer Custom Inc.
You might be able to check with Mark at Short Action Customs | Your Foundation for Precision
as well, I've seen some of his 6.5 AR's on the web.