I haven't heard it talked about before... then again, I rarely visit the AR discussion area.
It's more of a wish on my part. I love BM and I think they could do really well with a nice piston upper. JMO
The ARs are behind tech. wise anyway... I'm not complaining at all... but you have to look at the Sig 55X series
and the ultra durable and reliable AKs that are out there. Both of them are old too, but I think the AR could
use some of their +'s and incorporate them into a better upper.
I think now would be a great time for BM to have an "upper class" AR operating system.
Something that is AK reliable and heavy in the chrome
Let's face it... less cleaning would be a huge +1
Maybe it's a pipe dream... but I feel like they are going to surprise us come Jan ' 06, along with a few other companies out there