Aero upper and lower, Aero BCG, BCM handguard, 10.5 Ballistic Advantage 223 barrel, BCM pistol grip, Forward Controls ambi mag release, Forward Controls bolt catch, Blackout Defense ambi safety selector, Blackout Defense 3.5lb single stage trigger, BCM buffer tube and spring with SBA3 brace, QD end plate, ambi charging handle, custom cerakote paint job. $1200 obo