Aero Precision M16A4 lower receiver.  Magpul MOE fixed rifle stock, pistol grip, and trigger guard.


Aero Precision upper receiver with chrome-lined 20" rifle-length barrel threaded 1/2x28 with A2 FH and FSP chambered in 5.56.  Magpul MOE handguard.


Matech rear sight.


QD sling attachment points.


One 30rd PMAG included.


Trijicon MRO, Primary Arms 1-6x LPVO, Triggertech trigger, or Rare Breed FRT can also be added for the right deal.