Barreled 10.5" 5.56 Pistol Upper Receiver | A2 | 9" M-LOK - FDE NO BCG OR CHARGING HANDLE INCLUDEDClick here for Charging HandlesClick here for Bolt Carrier Groups This Barreled 10.5 inch M-LOK upper receiver comes with a 9 inch free-float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel.Barrel: Length - 10.5" Material - 4150 Chrome Moly Vanadium Finish - Parkerized Profile - M4 Contour Gas System Length - Carbine Length Gas Block Journal - .750" Twist Rate - 1:7 inches Muzzle - 1/2x28 Threaded Weight - 1.16 Pounds Other Info - M4 Feed Ramps Upper Receiver: Machined from a Mil-Spec 7075 T6 Forging FDE Cerakote M4 Feed ramps Handguard: 9" Lightweight - Free Float M-LOK FDE Cerakote ***Please allow an additional 2-3 business days of lead time as these uppers are made to order.*** SKU: RTBBU-10.5FDE UPC: