Aero M4E1 Threaded Slick Side NO FA ASSEMBLED Upper – Black

This upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. Machined from custom 7075-T6 aluminum forgings this upper receiver is compatible with mil-spec AR15 components.

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”
• No Forward Assist
• New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
• M4 Feedramps
• .250 takedown pin holes
• Laser engraved T-marks
• Includes port door

Includes:

• M4E1 Mil Spec Threaded Upper Receiver in Anodized Black
  Port Door Installed