Aero Precision Enhanced Upper MSRP $150 Aero Precision M-Lok Handrail 15" Enchanced Gen 2 MSRP $180 CMMG 16" Midlength Medium weight barrel, chrome lined MSRP $190 LANTAC Dragon muzzle break MSRP $140 Magpul MBUS Pro sights $160 Fantastic upper. Barrel is super accurate, muzzle break really flattens recoil and the upper is well balanced. Throw in your favorite BCG, Charging handle, throw it on a lower and you're ready to shoot. $820 to put this together retail, asking $400 obo Cash is king but now open to trades! Trade value is definitely not $400. in Raleigh.