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ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.
The Mitchell Defense DOC 10.3in CHF 5.56 NATO Upper Receiver is engineered for duty-grade reliability with a 7075-T6 billet upper and thermal-fit barrel seat for enhanced rigidity and accuracy. The cold hammer forged chrome-lined barrel withstands high firing schedules with exceptional heat tolerance and bore longevity. The ArmorLube Carbon Cutter BCG, built around a Carpenter 158 HP/MPI bolt, provides smooth cycling and high resistance to wear. A lightweight M-LOK free-float handguard offers stability and accessory adaptability, while the E-Series Cerakote finish protects against harsh environmental conditions. This upper is designed for users needing a robust, compact 5.56 platform optimized for professional use.![]()
| Manufacturer: | Mitchell Defense |
| Caliber: | 5.56x45mm NATO |
| Overall Length: | 19 in |
| Barrel Length: | 10.3 in |
| Barrel Profile: | Standard |
| Gas System Length: | Carbine Length |
| Barrel Twist Rate: | 1-7 |
| 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 |