AR-15 5.56 NATO Upper Assembly
10.3" 5.56 NATO 4150 CMV Nitride 1:7T Barrel
Carbine Length Gas, Low Profile
Aero M4E1 Upper
(Pre-Assembled, Ready To Ship)
Please note: If the listing says "In-Stock" it means we have all of the items in stock. Our assembled upper receivers are made to order, please check this LINK to view our most up-to-date shipping status.