I've been beckoned... and I appear...
Jacob, mine's an Aero Precision receiver set and 12" rail, with all Armalite guts. Gen-U-Wine AR-10 Carbine Recoil System, complete, AR-10 BCG, 13.5" barrel, and their competition muzzle brake (pinned/welded to the barrel) - which get's it just over 16", but just under 16.1". Worked out perfect, for "legal."
This thing is a SOLID PERFORMER, brother!
I've functionally proven that a complete Armalite AR-10 operating system will work - very, very successfully - in DPMS-based receivers.