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New! Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver Up to $64.50 Off w/ Free Shipping — 6 models
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Product Info for Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver
The Mitchell Defense DOC 10.3in .300 Blackout Upper Receiver is optimized for suppressed and unsuppressed reliability with both subsonic and supersonic ammunition. The billet 7075-T6 upper includes a thermal-fit barrel seat that enhances barrel alignment and accuracy. The 10.3in barrel offers balanced rigidity and reliable ballistic performance. A standard adjustable gas block allows fine-tuning of cycling behavior to match suppressor setups or load variations. The ArmorLube Carbon Cutter BCG with Carpenter 158 HP/MPI bolt improves reliability and reduces fouling. A free-float M-LOK handguard provides versatile accessory mounting. Finished in E-Series Cerakote.
Specifications for Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver:
| Manufacturer: | Mitchell Defense |
| Caliber: | .300 AAC Blackout |
| Overall Length: | 21 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 |
Features of Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver
- Adjustable gas block enables precise tuning for ammunition and suppressors
- Thermal-fit billet upper enhances stability and accuracy
- ArmorLube Carbon Cutter BCG with C158 HP/MPI bolt ensures dependable cycling
- M-LOK handguard provides lightweight modularity
Package Contents:
- Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver
Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver Orderable Models
List of Orderable Models
- Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver, Chrome-Moly Barrel, Black Finish, Quad Rail Handguard, 421122 , MPN: 421122 , UPC: 850073456330 , Code: 6PS-UFH-VGB17-421122
- Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver, Chrome-Moly Barrel, Jungle Green Finish, M-LOK Free-Float Handguard, 421321 , MPN: 421321 , UPC: 850073456361 , Code: 6PS-UFH-VGB17-421321
- Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver, Chrome-Moly Barrel, Jungle Green Finish, Quad Rail Handguard, 421322 , MPN: 421322 , UPC: 850073456378 , Code: 6PS-UFH-VGB17-421322
- Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver, Chrome-Moly Barrel, Flat Dark Earth Finish, M-LOK Free-Float Handguard, 421221 , MPN: 421221 , UPC: 850073456347 , Code: 6PS-UFH-VGB17-421221
- Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver, Chrome-Moly Barrel, Black Finish, M-LOK Free-Float Handguard, 421121 , MPN: 421121 , UPC: 850073456323 , Code: 6PS-UFH-VGB17-421121
- Mitchell Defense The DOC AR-15 .300 BLK 10.3in Upper Receiver, Chrome-Moly Barrel, Flat Dark Earth Finish, Quad Rail Handguard, 421222 , MPN: 421222 , UPC: 850073456354 , Code: 6PS-UFH-VGB17-421222
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