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Complete 16" 5.56 Carbine Upper Receiver - Flat Dark Earth | 15" M-LOK Rail W/ BCG & Charging Handle This Complete 16 inch M-LOK upper receiver comes with a 15 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 and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel: 16" 5.56 4150 CMV Barrel - Black Nitride M4 Carbine Profile - .750" GB Journal 1:7 Twist Rate - 1/2x28 Muzzle Thread Bolt Carrier Group: Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Bolt is shot Peened and MPI All BCG components pre polished before being processed and then post polished for an incredible shine Upper Receiver: Machined from a Mil-Spec 7075 T6 Forging Hard Coat Anodized per Mil-A-8625F, Type III M4 Feed ramps Cerakoted in Flat Dark Earth Handguard: 15" Lightweight - Free Float M-LOK Cerakoted in Flat Dark Earth Charging Handle: Forged 7075 Aluminum construction Mil-Spec Type-III Hardcoat Anodized finish Please Note: These Uppers are designed to work flawlessly with quality full powered 5.56 ammo. Underpowered steel cased ammo will likely work but is not guaranteed. Every upper is test fired with 5.56 NATO – 55 Grain quality ammunition.
SKU: RTB16C55612RA2-FDE
UPC: 860006521909
