RTB Complete 10.5" 5.56 Upper Receiver Black FLASH CAN 12" M-LOK With BCG & CH - $235.75 after code "HEAT10"

Description

RTB Complete 10.5" 5.56 Upper Receiver | FLASH CAN | 12" M-LOK | BCG & CH This Complete 10.5 inch M-LOK upper receiver comes with our RTB 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.We also carry this Upper Receiver unassembled here if you are a DIYer / Do It Yourselfer.Barrel: Length - 10.5" Material - 4150 Chrome Moly Vanadium Profile - Government Finish - QPQ Corrosion Resistant Gas System Length - Carbine Gas Block Journal - .750" Twist Rate - 1:7 inches Muzzle - 1/2x28 Threaded Weight - 19oz Other Info - M4 feed ramps Bolt Carrier Group: Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Bolt is shot Peened and MPI All BCG components are 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 Made in the U.S.A. Handguard: MATERIAL: HARD COAT ANODIZED/CERAKOTED ALUMINUM HANDGUARD, ALUMINUM BARREL NUT PRECISION BORE ACCEPTS M-LOK RAIL SECTIONS & ACCESSORIES 7075-T6 BARREL NUT RAIL LENGTH IS MEASURED ALONG THE TOP INNER DIAMETER: 1.36" Charging Handle: Tried and True Standard Charging Handle Forged 7075 Aluminum construction Mil-Spec Type-III Hardcoat Anodized finish Caliber - .223 / 5.56 / 300 Blackout Made in the USA Please Note: Uppers may present light fouling from our quality control process and/or test firing SKU: RTB10555612FC-BLK UPC: