Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15

The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum, precision machined to work with all mil-spec AR15 parts, and includes the port door and forward assist pre-installed.The

M4E1 Threaded Upper Receiver is designed to pair perfectly with our new M4E1 Lower Receiver, giving you a billet-looking receiver set at a fraction of the billet price.

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

Includes:

• M4E1 Threaded Upper Receiver in Magpul™ FDE Cerakote
• Port Door and Forward Assist installed

Specs:

• 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