Only for trade. 
midwest industries upper reciever, criterion core 10.5 barrel, birdcage flashhider. 
Silencer co lower receiver, ballistic engineering trigger, k2 grip, sba3 fde pistol brace 

holson 403, magpul bus front and rear 

only trading for another ar or just the upper I would do also 

looking for 12.5-16"nothing longer 

don't really want aero unless it has quad rail and decent upgrades. 
 
shoot me a offer chris

520-450-3102