Mitchell Defense DOC 11.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 11.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard. 5in CHF 5.56 NATO Upper Receiver in Black is engineered to deliver optimal performance in a compact tactical configuration. The 7075-T6 billet upper receiver utilizes a thermal-fit barrel seat to improve rigidity and reduce harmonic shift during sustained fire. The cold hammer forged chrome-lined barrel offers superior longevity and thermal stability under heavy use. The ArmorLube Carbon Cutter BCG paired with a Carpenter 158 HP/MPI bolt reduces friction and improves long-term reliability. A lightweight M-LOK free-float handguard keeps the system maneuverable while supporting stable accessory mounting. Finished in E-Series Cerakote this upper is ready for rigorous duty or training environments. Specifications for Mitchell Defense The DOC AR-15 5.56mm NATO 11.5in Upper Receiver: Manufacturer: Mitchell Defense Caliber: 5.56x45mm NATO Overall Length: 20 in Barrel Length: 11.5 in Barrel Profile: Standard Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Firearms Threads Per Inch: Non Threaded Muzzle Device: A2 Flash Hider Finish: Nitride Gun Model: AR-15 Fabric/Material: 4150 CrMoV Gun Make: AR Platform Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Country of Origin: USA Features of Mitchell Defense The DOC AR-15 5.56mm NATO 11.5in Upper Receiver Thermal-fit billet 7075-T6 upper increases rigidity for improved accuracy ArmorLube Carbon Cutter BCG with C158 HP/MPI bolt ensures reliable high-volume cycling Lightweight free-float M-LOK handguard provides stable accessory mounting E-Series Cerakote offers long-term corrosion and abrasion protection Ideal balance of compact handling and extended performance capabilities Package Contents: Mitchell Defense The DOC AR-15 5.56mm NATO 11.5in Upper Receiver What firearm models does the manufacturer say Mitchell Defense The DOC AR-15 5.56mm NATO 11.5in Upper Receiver is compatible with? The manufacturer suggests that Mitchell Defense The DOC AR-15 5.56mm NATO 11.5in Upper Receiver is compatible with AR-15Mitchell Defense 432111: DOC 11.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard