I believe someone floated the idea of .338 Federal. If a complete 102 upper in .338 Federal were offered, I'd certainly be in for one.
I like the .308, and I'm in on the 2nd offered purchase. I got a black one.
I just like the idea of AR10 size platform of multi calibers.
I had asked in the 102 build forum about .45 Raptor, and that idea was shot down.
Being an ITAR regulated product means nothing really, when you have an importer, and the money, it can happen.
I'm pretty new at anything "AR" platform. The BCL 102 was built off the AR 102 platform as far as I am aware, and the premise is that it is NR because it predates the AR 15 platform, as the AR 15 is a scaled down AR 10.
It depends I suppose, how much of the BCL 102 is proprietary vs a standard AR 10 as far as internals etc.