This AR15 Complete Upper features a 16′” 5.56 MId-Length Barrel with Pinned FSB and Magpul MOE Handguard.
Aero Precision AR15 Complete Upper, 223 Remington/556NATO, 16″ Barrel, Magpul MOE Handguard, A2 Front Sight Block, Mid Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR502505M65