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The Mitchell Defense DOC 18in 6mm ARC Upper Receiver delivers long-range precision with a lightweight barrel, offering excellent thermal stability and reduced front-end weight. The billet 7075-T6 thermal-fit upper enhances rigidity and maintains consistent barrel harmonics. This model features an ArmorLube Carbon Cutter BCG equipped with a 9310 MPI bolt for reliable cycling and improved wear characteristics. A free-float M-LOK handguard provides a stable mounting interface, while the E-Series Cerakote finish ensures long-term environmental durability. Ideal for shooters seeking lightweight precision in the 6mm ARC platform.![]()
| Manufacturer: | Mitchell Defense |
| Caliber: | 6mm ARC |
| Overall Length: | 27 in |
| Barrel Length: | 18 in |
| Barrel Profile: | Standard |
| Gas System Length: | Rifle Plus Length |
| Barrel Twist Rate: | 1-7.5 |
| Threads per Inch: | Non Threaded |
| Muzzle Device: | A2 Flash Hider |
| Finish: | Nitride |
| Gun Model: | AR-15 |
| Fabric/Material: | 7075-T6 Billet Aluminum |
| Gun Make: | AR Platform |
| Bolt Carrier Group Included: | MIL-SPEC |
| Charging Handle Included: | MIL-SPEC |