Aero Precision AR15 M4E1 Enhanced Upper Receiver

Aero Precision AR15 M4E1 Enhanced Upper Receiver is state of the art. The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but It is easy to install.

Features:

• M4 Feedramps
• .250 takedown pin holes
• Lazer engraved T-marks
• Comes assembled, with dust cover and forward assist installed

Details:

• Handguard mounting platform is forged into the receiver
• Compatible with Aero Precision Enhanced and Quantum Series handguards but also fits most BAR-system handguards
• Barrel nut and wrench are included
• These uppers are not piston-kit compatible
• Will support barrels with a diameter up to 1″

Includes:

• AR15 M4E1 Upper Receiver in Anodized Black
• Port Door and Forward Assist installed
• Barrel nut
• Barrel nut wrench

Specifications