Yeah, yeah, yeah...  It's not done yet, but it's gotta be done by the Fall, that's certain.  Major hurdle though, right here. (P.S.  Matt, this means I'm not just re-barrelling another gun for the Fall, brother...   ). So, Aero Precision.  These weren't talked about much, just as Special Edition receiver sets.  Not full on "Builders Sets,", but they were out there.  I've never seen the M5 version for sale on their website, but my Gun Pusher found them.  He didn't even ask me - he just