WTS/WTT: Complete Aero Upper with SD hand guard. Does not come with suppressor, 7.5 inch barrel. Also comes with a 10.5 barrel plus gas tube. Aero Ambi CH, Aero BCG, Magpul Handguard covers & BUIS, Sig Romeo 5 RDS. Sale value: $500 , Trade: $600. Interested in full size threaded 9mm pistols or threaded 308/300bo bolt guns. Text 361-945-518three.