The M4E1 Threaded Upper Receiver offers a distinctive design with its angular machined contours, setting it apart from conventional mil-spec upper receivers. While featuring the enhanced body profile of the M4E1 Enhanced Upper Receiver, this model is uniquely threaded to accept a standard AR15 barrel nut. Forged from durable 7075-T6 aluminum and precision machined to ensure compatibility with all mil-spec AR15 parts.
Specifications and Features:
- New enhanced forging that gives the upper receiver a billet look
- New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
- M4 Feedramps
- .250 takedown pin holes
- Includes threaded forward assist roll pin
- Includes port door and forward assist
- M4E1 Threaded Upper Receiver in Magpul FDE Cerakote
- Port Door and Forward Assist installed
- Made In America
- Platform: AR15
- Material: Machined from 7075-T6 forged aluminum
- Compatibility: Works with standard AR15/M16 components
- Weight(s): 8.65 oz
- Other: Barrel Nut Torque – 50 ft-lbs
WARNING
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
www.p65warnings.ca.gov





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